<span>The American industrial revolution had a major impact on Americans socially and economically.</span>
The United States first began developing nuclear weapons in 1939, during World War II, under the order of President Franklin Roosevelt. Motivation was the fear that US was engaged in a race with Nazi Germany to develop nuclear weapon. This project is best known as Manhattan Project.
It means; Hypothesize a tentative answer
Answer:
philosophy, political systems, technology, trade, and military developments
Explanation: