I think the answer for this one is C.
Theodore Roosevelt was the New York politician who accused a reporter of being a muckraker during Harlem Renaissance. This term was coined by Roosevelt himself, for the journalists who were reform-minded and attached established institutions as corrupt.
A charter<span> is a </span>document<span> that gave colonies the </span>legal rights<span> to exist</span>
Answer: Powder Keg of Europe.
Explanation: This is due to numerous nationalistic movements against colonial powers, Austria-Hungary and the Ottoman Empire.
There were a couple of reasons for this. First, the Americans were an invading force, and the Vietnamese were fighting on their own soil. Second, the Americans were not willing to make an all-out commitment to win.