The answer is A- self-determination. At first, Fourteen Points was a failure. However, the impact of it, particularly self-determination, helped to shape the remainder of the 20th century. European colonies in Asia and Africa used self-determination as a weapon to demand their independence.
The compromise of 1887, between the Republicans and the Democrats, occurring in January that year,was the solution to the Presidential election of 1876 and brought an end to the period of Reconstruction following the Civil war.