Answer: I know you said list 3 reasons but here is 4 :)
Explanation: 1 Disease.
2 Guns and Horses.
3 The capture of Atahualpa.
4 Internal Problems.
Answer: Election results were easier to falsify. (I don't know if there is another one, but one answer is B)
Explanation: Originally, the Electoral College offered the Constitutional Convention a middle ground between two major proposals: popular presidential election and presidential election by Congress.
For two reasons, the Electoral College was established. The initial goal was to create a buffer between the population and the presidential election. The second was as part of the government's structure, which gave smaller states more influence.
Answer:
After the last expansion, gold was discovered at Sutter's' Mill, bringing many more Americans from the East, and benefitting them greatly, even bringing in people from outside America. This revolutionized America's economy. Manifest Destiny brought money, land, resources, and a strengthened economy to the Americans.
Explanation: