Answer:
Right choice is:
b. to collect scientific and practical information of the land.
Explanation:
The main purpose of the expedition was to explore and map the new territory recently acquired, the Louisiana Purchase, find a route to the West and the Pacific and establish an American presence before Britain or other powers would do it. The secondary goals were scientific and economic: to get to know the flaura and the fauna and make trade contacts with the Indians.
The NAACP was the National Association for the Advancement of Colored People- the name already shows you that they were interested in racial equality! They filed the case in order to repeal and forbid the practice of having racial segregation at schools - and they won!
At the time, more than 750,000 people were displaced and this caused a big refugee crisis due to the fact that the Palestinians were expelled from their homes and a lot of villages were left vacant.
The transcontinental railroad had a huge impact on the economy. The transcontinental railroad allowed for the transportation of goods over long distances. This was especially helpful for the industrial north at the time. By the 1890s, the United States was becoming an urban nation, and railroads supplied cities and towns with food, fuel, building materials, and access to markets.
