Answer:
an invention. the assembly line. Henry Ford made it popular but some one else created it
Answer: There was disagreement over whether land gained as a result of the war would be free or slave. was unnecessary. ... They opposed the Kansas-Nebraska Act because they were against the expansion of slavery into new states.
HOPE THIS HELPS
I believe it’s a but I’m not 100 percent sure
I believe it is to, cooperate on law enforcement
Because The Founding Fathers wanted a new constitution
