In the United States, it was mostly a rise in immigration that led to the call for the prohibition of alcohol, since many people believed that it was making people violent and unappealing. Women were at the forefront of this movement, which succeeded in prohibiting alcohol but failed at actually enforcing this ban, since people continued to drink anyway.
The best known statement of the theory of nullification during this period was said by John C. Calhoun
The economy is the best answer because its the biggest factor worldwide.
Process of elimination - everything but 1 and 3 does not sound like a bad thing. But the answer is yellow stars.
Language? Speaking is also another way to say this. I don't know the choices.