a. The group made a grave mistake in not turning back in Missouri.
Selected:b. The group really could have traveled by river all the way to the west coast.This answer is incorrect.
c. The group would have been better off traveling by horseback the entire journey.
d. The group most definitely needed a guide to find the easiest route through the mountains.

a The group made a grave mistake in not turning back in Missouri Selectedb The group really could have traveled by river all the way to the west coastThis answe class=

Respuesta :

Answer:

d. The group most definitely needed a guide to find the easiest route through the mountains.

if it is correct then:

pls mark me brainliest

Answer:

think b

Explanation: