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.
On June 29, 1947, as the first president to address the National Association for the Advancement of Colored People (NAACP), Harry Truman pledges his support for upholding the civil rights of all Americans.
I think A hope this helps
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