Why did southern states object to and resist the tariffs of 1828 and 1832?
A) The tariffs eventually brought an end to the slave trade.
B) The tariffs were on goods shipped in from northern states.
C) Southerners had to pay much higher prices on imported goods from countries affected by the tariffs.
D) Southerners were forced to pay increased taxes on slaves they imported from Africa and the Caribbean.

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.