Diary of a wimpy kid old school. Write a 2 paragraph review of your book

After the supreme court’s ruling on the dred scott case, many people in the north believed that a. slavery might become legal everywhere. b. slavery might be banned everywhere. c. formerly enslaved people would move to the north. d. formerly enslaved people would stay in the south.

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

Which economic sector employs the least number of people in mexico, barbados, and venezuela? a. agriculture b. services c. industry