Question

What was the main accomplishment of the Manhattan Project during World War II?

Answer 1

The project was a research and development project that's goal was to create the first nuclear weapon during WWII (which they succeeded in doing).

Answer 2

Answer:

The development of the atomic bomb, is the right answer.

Explanation:

The extensive development of a Nuclear bomb by the United States began after the attack on Pearl Harbor by Japan and most importantly with the understanding that Germany is making attempts to develop a nuclear bomb. To develop a nuclear bomb a project called the  Manhattan project was launched by the United States. To develop this new kind of weapon the American government employed the most renowned scientist of the time, military and thousands of ordinary Americans.