The group that formally abolished the monarchy was after the monarchy was abolished, was created. it was led who later took the title lord protector. this leader was a meaning that he supported removing catholic rituals from the church of england.

The group that formally abolished the monarchy was the Cavaliers. After the monarchy was abolished, the English Commonwealth was created. It was led by Oliver Cromwell, who  later took the title Lord Protector. This leader was a Puritan, meaning that he supported removing Catholic rituals from the Church of England.

Explanation:

Oliver Cromwell led the faction fighters in an onslaught against the monarchs. In this way he managed to demolish the monarchy with the help of a group called Cavaliers.  As the monarchy was abolished, the country became a republic (called the "Commonwealth of England") over a hundred years before the French Revolution.

With the victory won, Cromwell became the new president of the State Council, after helping to share large tracts of land with the small peasants who fought in his favor. However, after taking power for the first time in the Republican system, he eventually excluded the lower strata of political decisions and ruled England severely and authoritatively.

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disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.