- How have historians evaluated slavery and slaves?

This conference comes at a propitious moment in the history of the nation. It also has at its disposal the collective wisdom of pathbreaking studies in the slave quarters, African American culture, poor whites, and .Blacks served disproportionately on supply ships and in low-paid and low-rated positions.

Explanation:

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.