The answer is urbanization.
The Whiskey Rebellion was an uprising that occurred in the United States during the presidency of George Washington, due to a tax being placed on whiskey, which was very unpopular.
Expansion of the suburbs.As far as the option about "low birth rate," that's very much wrong. The period from 1946 to 1964 is known as the "baby boom" period in the United States. More babies were born in America than ever before in 1946, and the high birth rates continued for a number of years. Birth rates in the late 1940s and 1950s were much higher than they had been before, especially during the very low years of the Great Depression and World War II.
For more thought on the growth of the suburbs in the 1950s, read more on Brainly.com -
brainly.com/question/9544564#readmore
(Not related just helpful. can't not is a double negative. "I can't not leave'' means I can leave)
The biggest reason is probably we can even travel to Mars. Mars is only one planet away from us. the distance is to far for fuel and time. we would need to go much faster and a lot less fuel just to get to Mars.