Which of the following is primary source? a. a texas history textbook b. a documentary film about the trail of tears c. a biography of alexander graham bell published in 1995 d. a love letter written to john adams from abigail adams

D. a love letter written to John Adams from abigail adams

This is because the letter was written by the direct people and isn't second hand information.

the answer is b.2008 and 2012 were presidential election years.

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.