Why did Pope Urban II agree to help Byzantine emperor Alexius I?

How is the vietnam war connected to the cold war?

Agovernment is a government system where all citizens that choose to vote have a say in their government. question 4 options: communist democratic autocratic theocracy

The american public did not truly take in the horror of adolf hitler's regime until years after the existence of concentration camps was first reported in american newspapers. partly this was the fault of the media, which did not give prominent placement to news of the holocaust. what other factors do you think contributed to the long delay in understanding the holocaust?