In the transition from the Ancient and Classical Period to the Modern era, there are various marco changes both in the military-political sectors and the economic sector. As units transformed from city-states and empires, to sovereign nation-states, the military and political process formations have shifted from regional to something more global. And with this diplomacy grew as well. This can be seen from the Congress of Vienna and the Alliances that were forming such as the Anglo-Japanese alliance). It was after the Treaty of Westphalia (1648) that the sovereignty of states was recognized. The structures then became more anarchic in the modern era as Empires were dissolved to create a balance of power, unlike the Ancient Classical Period that had both an anarchic structure (among the city states) and a hierarchy (which control various city states). The Modern Era had a stronger International Society as nation-states agreed to be bounded by a sent of rules (international law—like the Geneva Convention) that will secure the balance of power among them. There is more diplomacy and international bodies like the United Nations and the World Trade Organization. Also, there is an International System since bigger states are able to get more power than others depending on their contribution in the international realm; an example is the International Monetary Fund—where states who contribute more will have more voting rights in deciding how to handing the funds. The Economic sector in the Modern Era also progressed as world trade has been expanding exponentially. Instead of focusing on the trade of luxury goods for the rich (Ancient/ Classical Period), there is a stronger focus on the trade of bulk goods to accommodate the growing populations. From 1750 to 1994, the aggregate value of world trade has increased 11,506 times (308 BL). Modern states worked more harmoniously with modern capitalists due to the symbiotic relationships. Central banks were also created to maintain foreign currency. All of these became more possible with the improvements of interaction capacity and technological advancements. With the industrial revolution, arms trade and economic trade itself began to grew. In the military and political aspects, weapon design and production (like gunpowder and machine guns) improved warfare strategies—however there was a revulsion against war after WWI. The development of the steamships and other vehicles allowed world society to change because communication and traveling became easier. Interaction capacity was improved as cross-cultural contacts became more frequent and possible. Interaction not only increased in range but also in volume, value (of goods), diversity and speed (transactions). And because of this, Units became more interconnected (linked) and interdependent (what happens to 1 unit might affect the other). Because units were becoming stronger, structuration was now intensified where units are able to shape the structure but the structure itself is also able to shape the units (push and shove).Concentrating on the military-political and economic sectors, explain in summary form the emergence of modern international relations in terms of units and structure. How do units and structures in the modern military-political and economic sectors differ from units and structures in the ancient and classical period? What developments in interaction capacity are most important for explaining how and why units and structures changed with the advent of the modern era?The modern era saw the emergence of modern states as the dominant unit because of their ability to defeat city-states and agrarian empires, thus making them the most successful in military operations and as a result they created the most effective economies. Europe was the biggest influence of the modern state due to its effective economy and military structure. The Modern States obsession with technological innovation on war-making materials led to the beginning of financing and credit. Financing wars led to the creation of new technologically advanced war fighting materials. Modern states overpowered city-states and empires because neither could match nor overcome their military strength, wealth, or any of their technological innovations. The rise of the modern states created strict standards of territoriality and sovereignty which meant that the international system was prone to war. As the regional and global system became stronger, the local became weaker and the system structural effects became stronger. (Buzan and little, 331). Anarchy became a prominent structural effect in the modern world. The economic and military-political structures emanated from Europe in the modern era. With military-political regional substructures, economic regionalism can also be read as a structural effect of the global market.(Buzan and little, 336). Ancient classical era had different types of significant units which included the city-state empires, nomadic and sedentary tribes but as the international system moved on to the modern era, there was only one type of dominant unit which was the modern state. In the ancient and classical worlds, capital was drawn from the neighboring cities but unlike the ancient and classical world, Europe became wealthier at a great speed due to their expansion across the system. The ancient and classical world had intense military interaction as did the Modern era but the difference was that the modern era had a rising technology which shifted from regional to global range. Therefore, the global market structure is one of the biggest differences between the modern international system and those of the ancient and classical era.(Buzan and little 334). Hierarchy was the dominant structural form during the ancient and classical era while anarchy was the dominant structural form in the modern era. While Europe was the main economic actor of the modern era, city-states, tribes, and empires were the main economic actors of the ancient and classical eras. Physical technologies in the Modern era had an enormous impact on how and why interaction capacity increased so immensely. The transformation of interaction capacity began during themiddle decades of the nineteenth century. One of the first steps toward the formation of a global economic system and also a global international system was transoceanic communication. As opposed to human skills and animal power, the modern era began to implement