1 1/3 of the Senate is elected every 2 years so that in any given election roughly 66 Senators are guaranteed to remain the same. This allows the Senate to be known as a

Which statement best describes the underground railroad? a.) it is a train that took slaves from the south to the north. b.) it is a business that harriet tubman founded to slaves become free. c.) it is a secret route that slaves took to escape from southern slave states to the north. d.) it is a road that slave owners disliked using for travel.

56: 58 the assembly line was a system through which items were mass-produced in a flow.

Which aspect of the postwar era did jazz’s liveliness, looseness, and improvisation most reflect?