Which belief did many americans use to justify the u. s. takeover of the philippines? a. they had to control the panama canal zone.. b. it was their duty to civilize the filipinos.. c. the maine had been sabotaged.. d. it was their manifest destiny.

"They had to control the Panama Canal Zone" is the one among the following choices given in the question is the belief which many Americans used to justify the U.S. takeover of the Philippines. The correct option among all the options that are given in the question is the first option or option "A". I hope it helps you.