Answer:
t started in 1945, when the United States exploded its first atomic bomb on July 16 in Alamogordo, N.M., after a massive research campaign known as the Manhattan Project. The successful test of the bomb led to its use on two Japanese cities in August 1945, Hiroshima and Nagasaki
Explanation:
searched it up
tomas jefferson was the 3rd presedent
They crossed into North America from Asia to discover more of the region land, grow crops, and learn more about where they were living.
They extended usable hours of the day
