Many of the videos in U.S. history are in A.P. history as well, as both courses share many of the same curriculum and goals.

AP History is customized to have special practice questions and other videos and resources specific to the AP curriculum and to help learners practice for the AP exam. 

There is a Crusades question in "Christopher Columbus and motivations for European conquest," I believe, because the Crusades are mentioned in the article "Motivation for European conquest of the New World"