Question

what was significant (important) about the zong?
most slaves were sick when they got on the ship
most slaves enjoyed their voyage
the sailors on the ship were the worst around
133 slaves were thrown overboard

Explanation:

The Zong was a slave - ship infamous for the incident where 133 slaves were thrown overboard to claim insurance money. This act was a stark example of the inhumane nature of the slave - trade. The other options are not characteristic of the significance of the Zong.

Answer:

133 Slaves were thrown overboard