Are you asking for a date or where they attempted to stop them?
Answer:
No
Explanation:
The crusades are considered by many a failure because there was a distinct lack of conversion, A majority of the forces got sick and died or were killed, and the holy land was never truly recovered.
Answer:
To prevent or delay a bill or nomination from coming to a final vote
Explanation:
Correct answer on USA testprep
Basically, before 1973, the president had more power over the military and had more freedom to command the military as the president wished. This was seen in Vietnam which turned out to be a disaster. It was decided to limit the president's military power, and he would need the consent of congress to whatever operation he planned to do.
summary: limit president's military power