The Korean War was a proxy war, as it was fought between the communist-backed North Korea and the capitalist-backed South Korea, with support and involvement from other major powers such as the United States, China, and the Soviet Union. The conflict was not solely an internal struggle within Korea, but rather a larger geopolitical struggle between the two opposing ideologies of communism and capitalism. The involvement of outside powers and the global implications of the war make it more accurately described as a proxy war rather than a civil war. **

Yes, the First World War is considered a modern war due to the use of advanced technology and tactics that were unprecedented at the time. The war saw the introduction of new weapons such as tanks, airplanes, and chemical warfare, which changed the nature of warfare. Additionally, the scale of the conflict involving multiple countries and resulting in millions of casualties marked a departure from previous wars in terms of its global impact and devastation. Overall, the First World War is seen as a turning point in military history towards modern warfare. **

The motto "War feeds war" reflects the strategy of Wallenstein, a prominent military leader in the Thirty Years' War. It suggests that the continuation of war is necessary for its sustenance, as it provides resources, power, and opportunities for those involved in the conflict. This motto encapsulates the idea that war perpetuates itself, creating a cycle of violence and destruction. Wallenstein's approach to warfare was characterized by aggressive tactics and a focus on maintaining and expanding his military influence, making this motto a fitting representation of his approach to the conflict. **

The Second World War turned from a European war into a world war primarily due to the expansionist policies of Nazi Germany and Japan. Germany's invasion of Poland in 1939 prompted Britain and France to declare war, drawing in their colonies and allies from around the world. Japan's aggressive actions in Asia, such as the invasion of China and the attack on Pearl Harbor in 1941, further escalated the conflict by involving countries in the Pacific and Southeast Asia. The alliances formed between the Axis powers and the Allied powers also contributed to the global nature of the war, as countries from different regions joined the fight on either side. **

The First World War was a modern war because it involved the use of advanced technology and weaponry, such as machine guns, tanks, airplanes, and chemical weapons. It also saw the widespread use of trench warfare and the mobilization of entire populations for the war effort. Additionally, the war was fought on a global scale, involving multiple countries and alliances, and had a significant impact on the political, social, and economic structures of the countries involved. Overall, the First World War marked a shift from traditional forms of warfare to a more industrialized and mechanized approach, making it a defining example of modern warfare. **

The First World War was a world war because it involved many of the world's great powers and their colonies, spanning multiple continents. It was not confined to a single region or country, but rather spread across Europe, Asia, Africa, and the Middle East. The conflict also drew in countries from around the world through alliances and treaties, making it a truly global conflict. The war's impact was felt on a global scale, with millions of soldiers and civilians from various countries participating and being affected by the conflict. **

The actions of the American military during World War II do not meet the criteria for war crimes. While there were instances of controversial actions, such as the bombings of Hiroshima and Nagasaki, these were carried out as part of a larger strategic effort to end the war and save lives. Additionally, the United States was a key contributor to the establishment of the Nuremberg Trials, which prosecuted war criminals from Nazi Germany. Overall, the actions of the American military during World War II do not classify as war crimes. **

The Cold War is called the Cold War because it was characterized by a lack of direct military conflict between the two main adversaries, the United States and the Soviet Union. Instead of engaging in open warfare, the two superpowers engaged in a variety of indirect conflicts, such as the arms race, espionage, and proxy wars. The term "cold" reflects the fact that the tensions and hostilities between the two sides did not escalate into full-scale military confrontation. **