It was 'The Great Migration.'
"The Great Migration<span> was the movement of 6 million African-Americans out of the rural Southern United States to the urban Northeast, Midwest, and West that occurred between 1910 and 1970."</span>
The impact of the American Revolution on other countries was that it<span> led other countries to follow Enlightenment philosophies and overthrow their governments.</span>
They are both branches, and that when there is a voting going on, practically both of them do the same thing: they are usually elected by the most popular vote. That is what both the leaders of the state of executive and legislative branches have in common.