Brief the social structure of Europe in 19th century class 10 history​

In Europe, the social hierarchy was based on the feudal system that was prevalent during the early centuries. Feudal system prevailed from 9th to 15th century in Europe and it influenced the social hierarchies all over Europe to a great extent.The 19th century was a revolutionary period for European history and a time of great transformation in all spheres of life. Human and civil rights, democracy and nationalism, industrialisation and free market systems, all ushered in a period of change and chance.

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.