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.
<span>Roosevelt asserted American power with the Monroe Doctrine. It outlined the fact that the United States would not be controlled by European countries.</span>
By participating in NATO the United States advanced their policy of the containment of communism in Europe