Answer:
Lyman Beecher: An American Presbyterian clergyman and social reformer who was active in the Second Great Awakening and supported the temperance movement.
Harriet Beecher Stowe: An American abolitionist and author who wrote "Uncle Tom's Cabin", an influential novel that helped to fuel the abolitionist cause and spark the American Civil War.
Uncle Tom's Cabin: A novel written by Harriet Beecher Stowe in 1852 that depicts the harsh realities of slavery and helped to galvanize anti-slavery sentiment in the North.
John Brown: An American abolitionist who advocated the use of violence to end slavery and famously led a failed raid on the federal arsenal at Harpers Ferry, Virginia in 1859.
The Kansas-Nebraska Act of 1854: A law passed by the U.S. Congress that allowed the territories of Kansas and Nebraska to determine for themselves whether or not to permit slavery, through the concept of popular sovereignty.
Popular Sovereignty: A doctrine in U.S. politics that asserts that the people of a territory or state should have the power to decide for themselves whether or not to allow slavery.
Arsenal: A place where weapons and ammunition are stored.
Martyr: A person who is killed or suffers greatly for a cause, often becoming a symbol of that cause.
Step-by-step explanation: