The answer is a <span>leader begins to conquer adjacent lands and absorb other smaller civilizations.</span>
Number 2 is: Political Affiliation
*HOPE I HELPED!*
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.
1. One of the most important of why the US entered ww2 is because of the Japan attack on pearl harbor. Also, they entered this war to help the French and the British fight off the Germans.
2. the Manhattan project was the first detonation of a nuclear bomb. They built this weapon in fear that the Nazis will get in control of this nuclear power and bomb the world. we used this invention in Japan because of the attack on pearl harbor.
3.as we know a lot of men were recruited for this war so a lot of jobs were left behind so women had t take over these jobs to maintain homeland economy balanced, also they kept the houses up and running during hard times.
