Answer:
spurred a massive internal migration of workers
Explanation:
B because I took this test and got a A.
Here is the answer that would best complete the given statement above. <span>In order to decrease fuel consumption in the US, the EPA (Environmental Protection Agency) has raised standards for fuel efficiency on cars sold here. One economic assumption made by the EPA is that, since our economic system is mostly market based, CONSUMERS WILL SHOP FOR MORE FUEL-EFFICIENT CARS. Hope this helps.</span>
<span>Reformers established the 18th amendment which prohibited the sale, consumption and production of alcohol in the United States. They also tried to created a movement called the Temperance movement, which encouraged citizens to not drink alcohol. Both of these methods failed due to bootlegging and public outcry.</span>