The influence of African Americans on mainstream American music began in the 19th century, with the advent of blackface minstrelsy. The banjo, of African origin, became a popular instrument, and its African-derived rhythms were incorporated into popular songs by Stephen Foster and other songwriters.
Protestantism in France compelled the Huguenots to look for refuge in America. Protestantism in England resulted in a Conflict with Spain which was predominantly Catholic. This made them compete in commerce in the New World. The rise in inflation and poverty in England led to a need to search for more resources
Famine is another word for when food is scarce. Additionally,the Irish famine was one of the biggest famines is world history which is why it’s important.
Please show the problem if you want it answered.
None of them happened in the 20th century