Byzantium/Constantinople was conquered in 1451, but the empire continued to decline starting around the 18th or 19th centuries. It officially died in WWI. As for how long it was a major threat to Europe, the empire's prime was the 16th century, under Suleiman the Magnificent.
Answer: C.Radio
Explanation:
Working alongside film was the most popular form of entertainment in the 1930s in America. The genres that were the most popular in that decade are comedy. This is because the country was in a significant economic crisis, and people were thus trying to divert their thoughts from the gloomy daily routine. As early as the early 1930s, over 40% of Americans owned radios, increasing that percentage year by year.
The congress is very important, it represents freedom and and thats why it's so well protected!
SNC was created by Ella baker , gave voice to young protestors & in 1960
SCLC created 1950s , formed by ministers