When did oliver cromwell rule?

Oliver Cromwell ruled as Lord Protector of the Commonwealth of England, Scotland and Ireland from 1653-1658 after the defeat handed to the Royalists by the Parliamentarians in the English Civil War which lead to the execution of King Charles I.

1653-1658

Explanation:

pls be more elaborate

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.