The correct answer is A) increasing the minimum wage.
A proposal that President Truman sent to Congress as part of his domestic agenda was an increase in the minimum wage.
President Truman created a series of programs to help the United States citizens called "Fair Deal." It consisted of a national program for Health, projects to improve public housing, federal aid for education, and the increase of the minimum wage. So it is true that a proposal that President Truman sent to Congress as part of his domestic agenda was an increase in the minimum wage.