United states annexation of the philippines (1898) and military involvement in vietnam (1960s and 1970s) are similar because in each event the united states
a. achieved its long-range foreign policy objectives.
b. put the domino theory into action.
c. demonstrated the strength and success of its military power.
d. provoked domestic debate about its involvement in the internal affairs of other nations.

The correct answer for the question that is being presented above is this one: "d. provoked domestic debate about its involvement in the internal affairs of other nations." United States annexation of the Philippines (1898) and military involvement in Vietnam (1960s and 1970s) are similar because in each event the United States provoked domestic debate about its involvement in the internal affairs of other nations.

Answerboth technicians a and b are correct;

Answerhorizontal;