Why were the Great Plains and the Great Basin major obstacles to wagon trains journeying West?

Question

(1 point)
Responses

Both areas were wet and fertile, with wide rivers.
Both areas were wet and fertile, with wide rivers.

Both areas were dry and hot, with few rivers.
Both areas were dry and hot, with few rivers.

Both areas had steep mountains with few passes.

Answer 1

Both areas were dry and hot, with few rivers.