Answer: The war—in which U.S. forces were consistently victorious—resulted in the United States' acquisition of more than 500,000 square miles (1,300,000 square km) of Mexican territory extending westward from the Rio Grande to the Pacific Ocean.
Explanation:
Well Firstly This is a decently difficult question but,
At the first council with the leaders of the Teton tribe, the expedition went through its practiced ritual for meeting Indians, parading in uniform and demonstrating an air gun. The display did little to impress the Tetons, who perceived the Americans as competitors for control of trade in the region.
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That machine gun was first let out in the mid 1900’s and it changed the way of fighting from the one shot reloaders that they had before this invention. This gun changed the nature fighting by allowing more rounds to be produced at the enemies causing more to be dead. This gun helped kill off more people and helped gain more accuracy in the creation of guns til this day.
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<span>Britain, France, Germany, Belgium, Italy, Portugal, and Spain who were competing for power within European power politics.</span>