Why did the framers decide only 9 of 13 states would need to ratify the constitution rather than 13 of 13 needed for the articles of confedertation

As a result of the germanic tribes sacking rome

Which one of the following was not a reason for the emergence of the single-family peasant farm as the basic unit of agricultural production in the early middle ages? select one: a. the mounted soldier made warfare expensive, so many warriors became full-time farmers. b. the declining birthrate made it necessary for entire families to work in agricultural production. c. horses made it easier, although more expensive, for farmers to support themselves. d. it was more economically feasible for landowners to rent their land to farmers. e. villa owners could no longer purchase slaves.

Which of the following founders wrote the bill of rights? a. george mason b. james madison c. benjamin franklin d. alexander hamilton