In the early 1800s, the US was relatively new (25 years old), and so had not developed into an industrial economy. Cotton farming was widespread during the period as the conditions in the south permitted it, it was vital for the industrial revolution in Europe and was easily grown and cultivated.
So basically Cotton farming is your answer :)
The economic expansion took place in the 1900s in the United States of America. The GDP of the country increased continuously for 10 years. The jobs were still less and it was observed that financial and service sectors boomed more than that of the manufacturers. In 1194, jobs were also created and this also led to further economic development. The amount of wealth generated was very high and poverty rates decreased.
Answer:
a cartel of oil producing nations whose goal was to fix oil prices and limit competition
Explanation:
O-organisation
P-petroleum
E-exporting
Answer:
Hernando de Soto was a Spanish explorer and conquistador who participated in the conquests of Central America and Peru and discovered the Mississippi River.
I can't answer your second question since I know nothing about it, my apologies, but I hope that this will help answer about Hernando de Soto.
The massacre at Wounded Knee in 1890 occurred in response to "<span>d. the discovery of gold at Pike’s Peak" since this was the main reason why settlers were there, although this was not exactly a "response". </span>