The answer is C because central means united and federalist is nationalistic so C is correct
Wilson tried to keep the United States neutral during World War I but ultimately called on Congress to declare war on Germany in 1917. After the war, he helped negotiate a peace treaty that included a plan for the League of Nations. Although the Senate rejected U.S. membership in the League, Wilson received the Nobel Prize for his peacemaking efforts.
This may help
The way that the spoils system affect politics during the gilded age is : it helped a political party gained supporters, and breaking the stalemate between democrats and republican.
A foreign journalist gave the story an iternational audience.