War has been known to drive countries to do desperate things in order to keep their country as safe as possible. The United States felt they were at the end of their rope, and The Manhattan Project was their best bet of protection. Germany had their own atomic bomb in the works, and it was vital the U.S. be ready in case Germany made the decision to threaten them.
After the events at Pearl Harbor, Japan became the United States' biggest target. Japan was an immediate threat to the country, and it was highly necessary to take action, even if that action wasn't viewed as moral by all.
After the events at Pearl Harbor, Japan became the United States' biggest target. Japan was an immediate threat to the country, and it was highly necessary to take action, even if that action wasn't viewed as moral by all.