In the United States? Democratic and republican, The Republican Party is right wing, and the Democratic Party is left wing... they differ on gun control, taxes, gay marriage, abortion and a lot of social issues along with economic ones
Germany lost Poland as a result of losing WWI, and hitler decided he wanted it back so he invaded them. But, Poland had a treaty with Russia, Russia had a treaty with Britain. And Germany had treatys with both Japan and Italy. and then it was WWII.
The major impact of technology on World War I was that it made the war much more difficult for the infantry soldiers who did most of the fighting. ... The machine gun and the tank were new technologies that influenced WW1 the most. The machine gun lengthened the war and forced it to become a trench war.
Hope this helped
Constantinopole was more in the middle of the Empire than Rome at the time. Additionally, it can be argued that he felt that Rome was becoming unsuitable: corrupted by the fights among politicians and not stable (under threat of attacks from Germanic tribes): Constantinopole was safer and more stable at the time.
"a city state in ancient Greece, especially as considered in its ideal form for philosophical purposes."