The correct answer is the option D.
As the United States entered the World War II they have started developing nuclear projects under the orders of the president Harry Truman. WW2 represented a massive arms race and president Truman believed that the Nazis have started developing a nuclear bomb, so he ordered that the US began the same project immediately in hopes of finishing before the Nazis.
Answer:
Which type of change—political, social, or economic—had the most impact on Southern life?
for that answer it would be
Explanation:1. The two types of changes that came to my head first was that the states didt want to come together and also teh civial war that changed the states.
2. This goes along with the states becoming together. After the civial warnthe whole north side wanted teh south to change this included things like slavery.
3. The 26th, 19th, and 15th. They were placed due to the fact that it made it easier to elect a new president.
