Can somebody help me with this??

Who is john brown and what did he do

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

What role did mazzini play in italian unification? a.) he dreamed of a united italy and took the first steps to achieving it. b.) he conquered the southern part of italy, including sicily. c.) he was the first leader of a united italy. d.) he was assassinated by the french government, making him a martyr.