The right answer is the development of the atomic bomb.
The full-scale development of a Nuclear bomb came after the Japanese attack in Pearl Harbor, and knowing Germany was leading nuclear uranium research. The project Manhattan was created. The project joined the most renowned scientist of the century with industry, military and thousands of ordinary Americans working at localities across the country to interpret original scientific discoveries into an entirely new kind of weapon, the Atomic Bomb. At its peak, the project employed 130,000 workers and, by the end of the war, had spent $2.2 billion.
Answer:
option 2: material created after the period of time in an event occurred
Explanation:
first we need to know what primary source is
a primary source may be someone or something with a direct knowledge of the event or situation.this is the most reliable sourceof information about an event or situation obtained directely from the event
secondary source is obtained from the primary source hence being obtained after the period of time an event occured.it is information derived from the primary source
To prevent one branch of the US government from having too much control/power over the government and the people. Basically to prevent tyranny
