<span>The Presidency and the President's Cabinet are defined in Article 2 Section 2 of the Constitution.
I hope this helps! :)</span>
The neolithic agricultural revolution lead to people living on the same place for much longer time periods. This happened because they were able to grow crops on a certain location. Due to this, they were able to exploit the resources of a certain location much longer.
The railroad motivation was to keep black people in their own coaches. The railroad intended to discriminate against blacks.
