Why did the United States enter World War II?
A. Germany had unleashed unrestricted submarine warfare against American merchant ships.
B. The United States came to the defense of its ally, the Soviet Union.
C. The United States was attacked at Pearl Harbor, Hawaii, by Japan.
D. Americans feared Nazi Germany might conquer the world.

According to your text, systems of government in the united states are shifting from what to what?

U. s. history 1.documentary analysis what steps did taylor’s family take to prepare her freedom

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.