The great depression during the 30's was happening and so was the dust bowl in Oklahoma<span />
Answer:
the Louisiana purchase of 1803 bought into United States about 828,000 squere miles of territory from France, there by doubling the size of the young republic
The third one down would be right
Depends on the time period, but a theme was that money changers stimulated trade and help in the development of growing economies as the trade between different regions occur or happen during that time period.