Answer:
Plains Indians (Plains Native Americans)
Explanation:
As the colonists moved west, they wanted more land. They wanted to establish more cities/villages in the plains and also in the west where the Native Americans lived. The Native Americans also depending on the migration of the animals - deer, buffalo, etc. - for hunting which provided them with food and clothing. However, when the colonists moved west, they put up more fences which prevented animals from freely moving among the plains. The fences also interrupted and changed the animal migration routes.
Answer:
D. very high population growth.
Explanation:
Struggling countries typically had lower Gross national product. Which mean the high population growth would not be accompanied by the development of wealth. This regularly compared with an increase in unemployment and starvation all across the country.
Poison gas was one of the major technology advancements militaries used at the course of the first world war. However, it made only a little impact since nations were more inclined on using tanks in the warfare. Tanks were essential in advancing positions because it would easily defeat the trench warfare.
An intense military campaign
