Which of the following is not an example of a pull factor that encourages voluntary migration?
a. job opportunities
b. higher standards of living
c. social acceptance
d. high unemployment rates

Why have the aztec ruins in mexico city not been dug up?

What did the leaders of the soviet union feel would provide the most protection for their country

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing?