I believe that the term you are looking for is a city-state.
<span>In the Communist Manifesto, Karl Marx hypothesized that capitalism would fail if workers revolt against the government</span>
Answer:
Harriet Tubman
Explanation:
Southerners supported slavery as they were part of their economy. Slaves worked in plantations as servants. Harriett Tubman performed a vital role in assisting slave to escape in the Northern states with the help of the Underground Railroad. She was an abolitionist before the American Civil War. Runaway slaves fled with the Underground Railroad into the northern states were not preserved by law and could be delivered to their slave owners (Southerner) if discovered.
