A population trend is changes over time and can include changes in behavior
I think the answer is Gibbons v ogden-1824
Explanation:
Entrepreneurs can change the way we live and work. If successful, their revolutions may improve our standard of living. In short, in addition to creating wealth from their entrepreneurial ventures, they also create jobs and the conditions for a flourishing society.
The appropriate response would be D. The Dust Bowl is a natural calamity that hit the Midwest in the 1930s. Broad cultivating joined with severe drought caused the it. Deep plowing on the Great Plains executed the common grasses that kept soil set up, and the topsoil swung to dust and blew away.
