Which phrases give accurate definitions of history

a. the story of change over time documented with evidence

b. the story of human activity before writing was developed

c. an account of the impact of human behavior on the environment

d. can explanation of the past through the telling of stories of what actually happened in why

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a is your answer

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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.