Help plz i’ll give extra points

What is walt whitman's poem "when i heard the learn'd astronomer about?

List two inventions that were invented in the united states before the american civil war

The primary goal of the abolitionist movement was to a) immediately emancipate or free all enslaved people. b) allow the gradual release of enslaved people. c) end the importation of enslaved people from africa. d) make mandatory the education of all enslaved people.