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.
Answer:It was a failed plan to unite the American colonies.
Explanation:
A. Herbert Hoover was a president during the early years of the Great Depression.
d. Hooverville was the nickname of the shanty town.
The significanes of the battle was the confedrate and union where fighting during the civil war.Also,involed the largest casualites.