She was involved in the abolitionist movement.
In my opinion, Geometry & building monuments.
Answer:
After enslaved Native American laborers began to die due to exposure to disease, European powers began purchasing enslaved Africans, who became their primary labor source. Britain sent their first slave ships to the British West Indies to work on tobacco plantations and then later sugarcane plantations.
a class of persons holding exceptional rank and privileges, especially the hereditary nobility. a government or state ruled by an aristocracy, elite, or privileged upper class. government by those considered to be the best or most able people in the state.