Chivalry. It's not really behavior so much as "I'm more powerful than you and I want your daughter, give me your daughter or I'll kill you", but your history teacher will want the answer chivalry, so I suggest you answer that, lol.
Most Americans were in the middle of happy but a little mad. It helped get Reagan elected because he was part of that.
Answer:
A: they taught them European hunting methods
The Crusades is the series of wars between the two groups but if you're looking for a certain one I can further elaborate.