During World I, the use of chemical weapons and machine guns led to the development of — A. vaccines that could counteract the effects of poisonous gases on the human body
B. nuclear weapons that could end conflicts while avoiding years of trench warfare
C. advances in battlefield medicine that included motorized ambulances and improved antiseptics
D. radar systems that allowed military forces to detect and defend against incoming enemy attacks

Why did the federal government choose to give each tribal member a 25-year deed to the reservation land? this was the life expectancy of native americans at this time, and the government wished to grant rights for only a single generation. they considered this to be enough time to keep the area calm before they could take the land back again for sale. the united states government believed that the nutrients from the land would be depleted by the end of the deed. the government believed this would be enough time for the tribal members to become self-reliant and adapt to the farming lifestyle.

How did the supreme court decision in the slaughterhouse cause have an affect american business

What are some american advantages that led to victory in the revolutionary war?