Answer:
The United States increased its efforts to construct nuclear weapons.
Explanation:
It was an arms race. The objective of the arms race was to invest in research and the creation of weapons. When the United States launched an armament, the Soviet Union responded with an even more powerful one. At a certain point in this race, both countries would match and realize that they could destroy each other, and the world as well.
It introduced the use of coal oil and natural gas as sources of fuel.
The answer is Katana and Shuriken.
Well....
1.George Rodgers Clark captured the west from the British
2.Nathan Hale gave his life for his country
3. Benedict Arnold
4.John Paul Jones (Later nicknamed"Davy Jones") Defeated the British Navy
5.Colonel Hamilton was British commander at Vincennes
