The Austrian-Hungarian Empire and The Ottoman Empire are two of them that no longer exist.
Austria-Hungary and the Ottoman Empire broke up.
Czechoslovakia & Yugoslavia
austro hungarian empire
the alliance system caused world war one fear because if one nation caused war with a country that meant that the whole alliance was at war too. It caused suspision because suspicion with countries because some countries believed that there were secret agreements that existed between countries.
The concept of "second world countries" is no longer commonly used. It was previously used to refer to communist or socialist countries during the Cold War. Some countries that were historically considered second world included countries like the Soviet Union, China, and Cuba.
The welfare provision that existed before the U.S. officially entered World War II was the recruitment of soldiers to fight in World War II.
World War 2 was about two years longer than World War 1.
macedonia, yucoslavia,
Both world wars had Germany on one side and Britain, France, the United States, Russia, and China on the other. Differences include the fact that the Russia of World War I was the imperial Russian Empire while the Russia of World War II was the communist Soviet Union. Countries that changed sides include Turkey (for Germany in World War I, neutral in World War II), the Austro-Hungarian Empire (for Germany in World War I, no longer existed by the time of World War II), Italy (against Germany in World War I, for Germany in World War II), and Japan (against Germany in World War I, for Germany in World War II).
During the cold war the countries around the world were now trying to scavenge as much of Germany's technology left after world war 2. one experiment was actually about making a flying saucer war machine. another part of the cold war was the race to space. all countries tried to be the first in space.
World War 2 lasted longer, six years compared to the four years of World War 1.