How did the Declaration of Independence affect African Americans? It gave African Americans a voice in the new government. It gave African Americans a voice in the new government. It led to free African Americans gaining more rights. It led to free African Americans gaining more rights. It inspired Gabriel's rebellion for African American liberty. It inspired Gabriel's rebellion for African American liberty. It led to a ban on enslavement for a few years. It led to a ban on enslavement for a few years.