Answer:
The Shang Dynasty
Explanation:
The Shang Dynasty developed along the Yellow River
<span>they had less estrogen and progesterone</span>
The river kept the land fertile for farming and gave civilizations a source of food and water.
The answer is A.) A means to save time and labor as well as a new products to be manufactured and sold for profit.
I know because I got an A on the unit test. You've probably already taken this test but I hope this answer helps others.
