Answer:
OD is the correct answer Hope you get a good test grade It is Use a barter system .
Explanation:
I would have to say technology is using fewer resources to manufacture goods more efficiently.
Answer:
D
Explanation:
The south wanted to ensure slavery would continue and new states would make the Political power uneven.
C. Government should protect the natural right of life, liberty, and property.
D. The Grand canyon's layers get older from bottom to top
The deeper you go, the older the layer