Answer:
an invention. the assembly line. Henry Ford made it popular but some one else created it
Answer:
The feudal system was a way of organising society into different groups based on their roles. It had the king at the top with all of the control, and the peasants at the bottom doing all of the work.
The "Articles of Confederation" and "Perpetual Union" are two of the first American Constitutions wrote.
The Louisiana Purchase of 1803
