Respuesta :

His advocacy helped lay the groundwork for the abolition movement. Though he was president from 1825-1829, John Quincy Adams became known for his passionate anti-slavery advocacy in Congress. It was his 18-year effort that did away with the “gag rule,” which automatically nullified anti-slavery legislation.

Explanation:

His advocacy helped lay the groundwork for the abolition movement. Though he was president from 1825-1829, John Quincy Adams became known for his passionate anti-slavery advocacy in Congress. It was his 18-year effort that did away with the “gag rule,” which automatically nullified anti-slavery legislation.

Answer:

He defended the enslaved Africans in the Amistad case successfully.