How did nativism (people who favored Americans born in America) and the Red Scare play into Congressional limitations on immigration in the 1920s

What is the chemical symbol of the element located in the 5th period that naturally occurs as a diatomic solid?

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.

Why did the paris peace conference negotiations last over a year?