Steam power, water power, and mechanical tools.
The early people of the Southwest cultivated crops and built dams and ditches to irrigate fields. Unlike the Southwest's farming western climate, the Mississippi River valley has a humid and temperature climate.
B. should be your answer.
Answer: but.
however.
in spite of.
on the one hand/on the other hand.
in contrast.
on the contrary.
still.
yet.
Explanation:
