Answer:
the Indian Removal Act
Explanation:
The law authorized the president to negotiate with southern Native American tribes for their removal to federal territory west of the Mississippi River in exchange for white settlement of their ancestral lands.
Answer:
Xiongnu, Jie, Qiang and Di.
Answer:
Radar
Explanation:
Radar technology employs the use of radio waves in determining the distances speed and location of certain objects. This was instrumental during the war as it helped countries foil secret attacks being planned.
It was used to operate anti-aircraft guns and was used on ships for easy navigation at night and to locate enemy ships and aircraft.
Answer:
to instill terror and fear so citizens will follow government policies
