The New York City neighborhood of Harlem became "<span>c. a political and social center for African American artists and philosophers"</span> during the early years of the 20th century, since this was known as the "Harlem Renaissance".
Persia went to war with Athens because before 490 B.C there was a riot in Persia and Athens send troops over to Persia to help the rebellion when the rebellion was defeated so what is why Persia went to war with not just Athens but the hole of greece
A blossoming of the African American culture, mostly in art and literature. It was the most influential movement. It was considered a golden age in African American culture.
There are 10 years in a decade. Hope this Helps:)