The answer to this is choice A
Answer:
Fur trade
Pioneer settlers were sometimes pulled west because they wanted to make a better living. Others received letters from friends or family members who had moved west. These letters often told about a good life on the frontier. The biggest factor that pulled pioneers west was the opportunity to buy land.
Originally Spain, Great Britain, Russia, and the United States claimed the territory. In 1819, under terms of the Transcontinental Treaty, Spain ceded its claims to the territory to the United States.
Tokugawa Ieyasu seized power with the victory at the Battle of Sekigahara
- establish dictatorship
Because the Silk Road established steady trade
A. Natural disasters, such as tsunamis, earthquakes, and floods
hope this helps
