Which of these describes the policy of protecting the interests of people born in a country and limiting the rights of recent immingrants

The life expectancy went down as did the conditions in the cities it was alot easier to get sick and alot more dirty and not clean (not sure)

president coolidge hope this

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.