<span>Una de las principales razones fue el comienzo de la era Industrial, que trajo una repentina oleada de inmigración.</span>
<span>freedom for slaves became an official aim of the war</span>
Gaining control of Paris and forcing a change in the monarchy.
In 1910-1940s there was a resistance called the Harlem resistance. This caused the black population to migrate all over the U.S
