Who led the English commonwealth?

Oliver Cromwell (1653–1658)

Richard Cromwell (1658–1659)

Explanation:

During the first three years following Charles I's execution, however, he was chiefly absorbed in campaigns against the Royalists in Ireland and Scotland.

an ethnic enclave is a geographic area with high ethnic concentration,

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries