How was Greek culture able to spread so quickly during the Hellenistic Era? please help me out

Alexander spread Greek culture throughout the Persian Empire, including parts of Asia and Africa. Alexander respected the local cultures he conquered, and allowed their customs to continue. ... Alexander created the Hellenistic Age, a time when Greek culture mixed with the various cultures of Alexander's Empire.

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.

i just answered it

explanation: