Will give you the brainliest if you give me the correct answer!! What does Greenlanders' Saga tell you about Norsemen?

From this passage, it is clear that president jackson believes the second bank of the united states

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.

Imagine you are a historian studying a battlefield journal written by a soldier serving in world war i. describe the process of interpreting the information within the journal, as well as how you would determine whether the evidence in the journal is valid