The measure of self-government was necessary in the colonies during colonial era because self government was similar to the native Americans governed. The option (C) is correct.
Self government refers to the governing power in the hands of native citizens of the country.
The American colonizers believed that they should have the right to govern their country instead of the outsiders. All the rules and regulations must be formulated by the native Americans. This beliefs further led to American revolution.
Thus the correct option is (C).
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