Hey, There! I believe the correct answer for this would be "B. a drastic decline in the American Indian population" during the westward expansion a number of american Indians were pushed of their land and violently oppressed. Many died from diseases and battles to protect their land, but mainly from disease.
<h2>Hello! ☻</h2>
Europe did not like the Monroe Doctrine because it prevented them from invading the Western Hemisphere an claiming more land. The Monroe Doctrine was a policy formed by the U.S. Government against foreigners. This helped out the U.S. as it was beginning to stabilize as a nation and country.
<h3>Hopefully this Helps! </h3>
Ukraine, Belarus, Latvia, and Estonia border Russia Between The black and Baltic Sea.
China= tanggu
But don’t know other
Answer:
There were new technologies such as machine guns and submarines. Technologies that we only used by a few countries at the start. The development of tanks emerged during this period.