Almost all countries that were directly a part of World War I. Some of the most notable countries are the United States, the United Kingdom, Russia, Germany and many others.
he countries which was effected economically after the war was: France, Nazi Germany and the United Kingdom. Most all countries in Europe which contributed or was involved the war suffered economically.
Germany was involved in World War 2 and their was serious effects not only on most european countries but also in eastern USSR. So did WWI, for that matter.
Britain and Germany were effected because they were at war against each other.
WW1 was called a world war, because in effected and involved most, if not all of the countries in Europe, Australia, some of Africa, and America. The major powers in the war can be defined as the axis (Germany, Italy, and Spain) and the Allies (France, England, and later America).
North & South Korea were most effected. The war never left their soil.
other countries had to recover from the effects of the first World War and the US was hardly effected by it.
World War II affected the entire world, as it was truly the only world war the world has ever seen. Dozens of countries declared war on each other due to invasions or simply because one was an ally of the other. About 75,000,000 died, most of whom were citizens. WWII left Europe in ruins, politically and physically.
Virtually all countries were effected or manipulated by the Cold War.
the start of the war France was hit really hard but towards the end Berlin suffered the most damage. pearl harbour was effected in the pacific but as hiroshima and Nagasaki suffered the atomic bomb.
it became exceedingly rich as it had loaned out money to many countries and after the war had charged interest. also as first developers of the atomic bomb they became the superpower of the world
it marked the beginging of the end of world war 2.