Answer: Federalism limits government by creating two sovereign powers—the national government and state governments—thereby restraining the influence of both. Separation of powers imposes internal limits by dividing government against itself, giving different branches separate functions and forcing them to share power.
"The fifteenth amendment of United States Constitution prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude "
The 5th prez was james monroe
The Shah was suffering from cancer during the time following the Iranian Revolution however the main reason for allowing him to come to America was to be given a place for exile.