Could or should the world have seen that Hitler would start WW2 and carry-out the Holocaust? Give specific examples of things Adolph Hitler and/or other Nazi leaders did before WW2 that indicated that they would invade other countries and carry-out the Holocaust.

whose power in the senate is equal to the power of the speaker of the house?

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.

the exodus of these people from constantinople contributed to the revival of greek and roman studies, which led to the development of the renaissance in humanism and science. byzantine emigrants also brought to western europe the better preserved and accumulated knowledge of their own greek civilization