What contributed the most to human migration more than ten thousand years ago?
sturdy boats were invented.
another ice age occurred.
a major volcano erupted in africa.
a severe drought occurred.

he armenian genocide, also known as the armenian holocaust, was the ottoman government's systematic extermination of 1.5 million armenians, mostly citizens within the ottoman empire.

explanation:

he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.