Answer:
between 1895 and 1905 imperialistic expansion reached it's climax. Colonial rivalry caused the first world war. First off it let to strained relations among the European powers. Secondly, colonial rivalry led indirectly to the formation and strengthening of alliances and ententes. Thirdly, colonial rivalry led to an intensification of the arms race. Colonial rivalry led to much hostility among the powers. France and britain nearly came to war over their rivalry in the Sudan in 1898