What were the social, economic, and political changes that most contributed to the rise of florence and the ideas of machiavelli?

Explain how the self-interest of state-chartered banks in 1865 led to the development of demand deposit accounts.

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.

Iknow this lets see if you do i am 6 my sister is half my age,now i am 60 how old is my sister