Which statement best completes the diagram showing the events of the First Crusade?
Pope Urbani
calls for the
First Crusade.
European
knights and
nobles attack
Jerusalem
A. Muslim armies capture the city of Constantinople.
B. Salah ad-Din captures therusalem from Richard the Lionheart.
C. European peasant crusaders are defeated by Muslim armies.
D. Pope Gregory VIII asks Jews to join the First Crusade.

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.