The increased migration and increased population that the United States saw during (any) era are examples of "<span>c. demographic and environmental changes," since these have to do mainly with population distribution. </span>
General Zebulon Montgomery Pike (1779-1813) was a contemporary of Lewis and Clark and he was an early explorer of the territory of Louisiana and the area around the Arkansas and the Red rivers. He also trekked across the Great Plains and the Rocky Mountains, and he published his findings in a book. Pikes Peak, in Colorado, was named in his honor, although he was not able to reach its summit.
The correct answers are:
A. Society became more open, and women experienced greater freedom.
D. Women began to seek out new careers.
E. Women challenged old traditions by doing things such as changing their clothing style.
The statements above are how women’s roles in countries such as the United States and Britain changed after World War I.

In 1870,25 American cities had populations over 50,000.
<span>Henry fords production methods affected the number of cars produced by increasing it.</span>