If a 100 year floodplain was flooded in 2003, when should we expect the next 100 year flood

What arguments might a conservation used to justify president roosevelt's expansion of power of federal government

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.

What was feudalism? (define the structure)