The correct answer is " development of the atomic bomb." The Manhattan project was the code name for the development of the atomic bomb. It was a research and development project that produced the first atomic bombs for World War II and led by the United States with Canada and United Kingdom.
It kept European powers out of Latin America and prevented them from further colonizing the area
The rise of corporations after 1865 was partially caused by the rising and booming capitalism which saw that very large structures and companies needed a different way of self-organization. For that reason organizations emerged as natural entities.
