What caused the change from indentured servitude to slavery?

I think it's because slavery costs less...just a guess.

he was in office from 1929 to 1933 and served as a reform governor, promoting programs to combat the economic crisis besetting the united states at the time. in the 1932 presidential election, roosevelt defeated republican president herbert hoover in a landslide.

explanation:

answer-the island had airfields that the u.s. military needed.