U.S. troops aided South Korea with support from the UN.
The correct answer for the question that is being presented above is this one: "b. intelligent" The headstrong mean as it is used in the following lines from Act IV, Scene 2 of Romeo and Juliet is that of intelligent. ".... <span> How now, my headstrong!"</span>
A monarchy is a government ruled by a monarch, or a king or queen.
The answer is: They knew the lay of the land, while the Americans had to search their way