Yes, indeed.
Bulgaria was on the side of Germany in both World Wars.
Switzerland was neutral during both World Wars.
America fought on the Allied side during both World Wars and now they are one of the major Western Powers.
yes Germany was in both world wars
They were paid, drafter or both.
Japan was a participant in both World Wars.
Throughout history our world has been troubled with war and consequent famine. In order for the country and there leaders to find people to find in the war, many would initiate a draft. Both World Wars had to recruit thousands of young, able-bodied men to fight for there country.
Neither World War was against Jewish. Jews fought on both sides, with their respective countries in both World Wars.
While Germany was a part of both the first and the second world wars they only started World War 2.
Submarines fought in both WW1 and WW2.
none of the world wars were litterally a world war, not all of the countries fought on both wars and the countries didnt fight everyone on each other in both wars, WW2 was classified as a war world because it splitted most of it [Europe and USA joined it too] into 2 groups that fought each other: Allies and Axis.