The Crusades were a series of religious wars fought by Christian and Muslim soldiers between 1096 and 1270 A. D. What effects did the Crusades have on Europe and the Middle East? A.
Silk cloth was brought to China from the West.
B.
Trade expanded and towns boomed.
C.
Precious metals and stones were carried from China.
D.
Furs, ceramics, and jade were carried to China.

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i. e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks