The machine gun was decisive in securing victories for the Allies in WW1, if that's the time period this is focused on.
Answer:
The boat on which the Purtitans to New England
At the end of the French and Indian War the British government signed treaties with the Indians in the Ohio territory to restrict the American colonists from moving into there land. The American colonists ignored this British treaty, and started settling in the Ohio, Kentucky, and Tennessee areas. The British government, unlike the American government in the following century (which very seldom honored the treaties they signed with the Western tribes), tried to honor their treaties with he Indians and keep the Americans out. This brought the Americans and British into confrontation and was one of the main factors that led to the Revolution.
Answer:
"As the people of Rome used up firewood, and grains became scarcer due to a rising population, it was the human-environment interaction which led to the political and military decisions to conquer other lands. The location of Rome on the Tiber River is an example of human-environment interaction".
(credits to mvorganizing)
Explanation:
The best description is c