which of the following best describes how settlers traveled west

a. Most African-Americans were given their freedom so they could help clear the trails for other settlers.
b. Settlers from New England traveled south to take over plantations in Georgia and Alabama.
c. Settlers traveled along with Daniel Boone across lake Ontario to the gateway to the west
d. Some settlers loaded their animals and wagons on flat boats to float down rivers.

d. Some settlers loaded their animals and wagons on flat boats to float down rivers.