They were motivated by their moral beliefs that slavery was immoral.
Explanation,
Abolitionist formed the Aolitionist Movement whose effort was to endAntlantic slave trade and they valued personal freedom and believed all men are equal.They(Abolitionists)became more obnoxious in their demands and slave owners entrenched in response which led to regional divisiness which resulted to American civil war. https://brainly.13th Amendment of the american constitution approved and ended slavery.
If the Federal government can perform an enumerated power without a particular law or action, then that law or action is unnecessary and therefore unconstitutional.
Weaver became the first African-American to hold a Cabinet position when he was appointed secretary of housing and urban development in 1966 by President Lyndon B. Johnson.