I believe it was by giving support to the European countries economically and politically.
President Warren Harding's secretary of state, Charles Evans Hughes, was the one who called for a ten-year moratorium on warship construction. Britain, France, Japan, Italy, and US were the countries that helped Hughes to create the ten-year moratorium on new warships.
The answer to this question would be A, according to the census population.
The answer is B. they were looking for work.