Which contributed most to imperialistic actions taken by the United States in the late 19th and early 20th century? growth of industry construction of railroads treaties with other countries development of national pride

Two of these describe “federalism." (choose two answers) select one or more: a. the national government absolutely controls all state governments. b. power is shared by the national and state governments. c. state governments exercise absolute power over the national government. d. it is a compromise meant to eliminate the disadvantages of a “unitary” and a “confederate” system.