Answer:
D. The compromise made all new territories free of slavery but
protected slavery where it existed
I would have to say technology is using fewer resources to manufacture goods more efficiently.
The main purpose of the march led by James Meredith to Chicago was that "<span>c. it was a march in support of voting rights for black Americans," although it encompassed a variety of Civil Rights goals as well. </span>
D. They improved conditions on slave ships to help more people survive.