What did oliver cromwell do after he became lord protector? a. he freed charles i from prison. b. he abandoned the puritan religion. c. he called for the opening of theaters and pubs. d. he ruled as a military dictator

The answer is letter d.  He was now a dictator.  He dissolved the Rump Parliament in 1653 because of its failure to implement reforms.  He waged military campaigns in Scotland and Ireland.  He closed theatres and dance halls and enforced a strict Puritan form of administration in the country.  He also focused on the colonies in the New World and wanted to increase the settlements there.  He reorganized the Treasury to make it more proficient.  He also passed ordinances that gave assistance to poor inmates and debtors.  In education, he gave to state grants to universities and sorted the complexities of the English Court System.