I believe the answer would be cotton gin because the invention of the cotton gin was able to become more efficient in harvesting cotton.
In August of 1963, representatives of the United States, Soviet Union, and Great Britain all signed the "Limited Nuclear Test Ban Treaty." This treaty limited/prohibited the testing of nuclear weapons in outer space, underwater, or anywhere in the atmosphere.
Answer:
Writing the letter sounds difficult and embarrassing, so he will quit.
Answer:
B. Basic systems needed to support a society, such as roads and a water supply
The answer to the question is that he played a key role in abolishing the Quin Dynasty in China and was the first provisional president of the Republic of China.
