That person is called an IMMIGRANT
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.
A: Businesses are able to participate in free trade.
There are basically two systems, there is Capitalism and Socialism and most countries tend to use a combination of the two, known as a mixed economy.
