奴隶制度的用法和样例：
例句
-
他积极参加政治活动，强烈反对奴隶制度。
He was active in politics and was strongly against slavery. -
我的最高目标是拯救美国，摧毁奴隶制度。
My paramount object is to save the union and destroy slavery. -
美国南北战争以前，要废除奴隶制度是因难的，因为维持这一制度的人有既得利益。
It was difficult to end the system of slavery before the Civil War because the people who owned the slaves had a vested interest in keeping it.
