December 11 1936 until his death
It might be said that the colony which had its charter revoked because of mismanagement was Pennsylvania. Penn owned the land and sold it to settlers at low prices instead of granting it out expecting to get a profit but he never did. This cause the opening of the colony which let it tho decline in the number of servants.
Responding to xenophobic concerns, congress passed an emergency law restricting immigration in 1921. Among other provisions, the act established .a quota for nationalities on the basis of their numbers in the US in 1910,
The quota that enacted limit a specific race from entering the united states within that period
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The answer is b: the native people lacked natural immunities