The popularity of the television expanded rapidly beginning in what 20th century decade

The 1950's

Explanation: Television is considered to be the media, which has most affected the shaping of people's lives during the 1950's. Immediately after the WWII it was the privilege of only a small number of rich people, that in only ten years, two-thirds of American households would have television. Television has contributed to the development of popular culture. It also influenced the change of politics, and the appearance of advertisements, especially for the purpose of political campaigns, television was a powerful means of propaganda.

answer; i believe its a

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.