Move west because they couldn't pass the mississippi and thought the soil would be bad for farming
b.must be the correct answer
The explorers decided not to create the settlements because: <span>D. They didn't think the land was suitable for settlement.
They came into this conclusion because of reseraches such as:
- It is hard to build a formidable irrigation system in the land
- The land contains a lot of dangerous animals
- A lot of small blocks that hidden beneath the ground, et.</span>
