China had the most developed economic system and was culturally the most developed country. Its religion was also widely accepted and all surrounding countries looked up to China because of these cultural and religious achievements. For example, most of the area adopted their writing to their own language because they didn't have their own system of writing.
an economic and political association of European countries as a unit with internal free trade and common external tariffs..
Found this on the internet
1)Germans sinking US merchant ships taking supplies to England
2)Japan's unreasonable demands on the United States (re- instating oil sales and dropping support of the Philipeenes and China)
3)German submarines beginning to shoot at US war ships
4)England and France are typically our allies so we were going to enter the war eventually anyway
5)Pearl Harbor was obviously why we entered the war.
The Germans attacked France in their blitzkrieg attack.