The main way in which Roosevelt changed the role of the U.S. president during the New Deal is that he became extremely "active" in the US economy and social structure--in that through the New Deal the federal government played an unprecedented role in helping the economy recover from the Great Depression.
I would have to say B is the best answer as I don't recall a worldwide economic depression taking place after world war II, or any of the other answers.
B- native Americans? I think
The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
Tiber River. The most important river in central Italy. It runs some 400 kilometers through a long valley running from Tuscany through Umbria, Latium, past Rome, to the Tyrannize Sea at Ostia (literally, the “mouths” of the river). The river had a positive as well as negative impact on the development of Rome.
The Mediterranean Sea was important to the Roman Empire in that it was a vital trade link with other parts of the Empire, especially the Middle East and North Africa. ... The Romans referred to it as "their sea" and would not allow competing empires to flourish on it, such as the Greeks and Egyptians.
