Answer:
The need for raw materials for the factories and increased food supplies for the growing population in urban centers had led to the growth of export economies around the world that had specialized in commercial extraction of natural resources and the production of food and industrial crops.
The answer above is correct.
Answer:
to prevent other nations from building bombs
to avoid spies learning of the work
Explanation:
The purpose of the Manhattan Project was to develop the atomic bomb. It was a secret government project started in 1942 in response to the activities of Nazi Germany. America feared the Nazi Germany experiment and weapons in World War II. The project was kept secret as the United States did not want other nations especially, Germans to get their hands in nuclear weapons.The project became successful when the American military conducted a test in 1945 in New Mexico.
