He wanted it to return the United States back the way is was before World War 1 and Many Americans disagreed with Woodrow Wilson's policies during World War I and his support for the creation of the League of Nations. Warren Harding's emphasis on the "return to normalcy" during his campaign drew support from people who wanted the U.S. to be more like it had been before World War I. These people favored free enterprise, lower income taxes, high import tariffs, and an isolationist policy regarding international affairs. Harding was able to get many votes from people who blamed Wilson for the U.S. entry into World War I, and Harding won the election.
I think that the answer is a massive reinvestment in capital industry.
As the war dragged on, the Union's advantages in factories, railroads, and manpower put the Confederacy at a great disadvantage.
The British news oscillated the American public opinion(s) in favor of the Allies. They also had like cultural 'bonds' too.
