Name two innovations or inventions that came about during World War II. Explain why such innovations occur during a time of war. Please answer using at least 3 complete sentences. IM GIVING 40 POINTS FOR THIS, PLEAASSSE HELP ME

I'm not 100% sure. also i don't know how to put it into 3 complete sentences but here is one.

Explanation:

Two new inventions that came out during the world War II is a radar and bombsights.

-Rockets

The Nazis had created developed the first rockets which were used to level Britain during the Battle of Britain. These rockets were called V2 Rockets. It had been the first of a long-range guided ballistic missile. These missiles were revolutionary and did not need planes to bomb a target.

-Jet Engine Aircraft

The Nazis once again developed Jet engines they had put in warplanes to make them significantly go faster than any other plane in use. They could easily take down Allied bomber planes without receiving any damages. This invention was once again revolutionary because all previous aircraft had used propeller engines.

some american cities felt workers were being oppressed by business monopolies

immigrants from northern and western europe continued coming as they had for three centuries, but in decreasing numbers