Xehnophobic has an irrational fear or prejudices toward people from other countries. Xenophobia often being perceived as the same as racism but the two of them are different. Racism is based on genetic traits while Xenophobia is based on cultural identity.
"Both civilizations sprang up <span>in locations with water sources" would be the best option from the list, since water during this time was crucial for the development of civilization. </span>
After WW2. The Big 3 were trying to find a new gov't for all the new countries formed. US wanted democracies. But USSR wanted communism for everyone...