which of the following best describes how settlers traveled west?

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

The best description would be option A: some settlers loaded their animals and wagons on flatboats to float down rivers.