In the Civil War, Texas (young Texas) served as a support state, and there was barely any skrimishes in the state. Technically, by the governor's word (The governor at the time was Sam Houston), Texas was originally pro-Union, but the citizens wantes war as a way to assert the state's rights. Also, Texas did not fight for wealthy plantation owners in other states;<u> </u><u>Texas didn't have any cotton plantations compared to the other Southern states, so they didn't suffer as bad as a loss than the other states</u>. Moreover, during the battles outside of the state, the Texan soldiers either deserted from warfare or joined the Union.
During World War II there were two sides: the Allies, which the US were a part of, which included, among others, UK, France, Soviet Union (after 1941), and the allies (Germany, Japan, Italy and their puppet states).
So the answer can be any of the allies: UK, France, Soviet Union but also the whole of Latin America, most of Africa and Asia.
<span>One of the advantage held by the north during the civil war is the North had superior military leaders. At the flare-up of the American Civil War, both the North and South trusted the contention would be over rapidly. In any case, focal points for both the Confederacy and the Union implied a delayed war between the states.</span>