The factor in the increasing involvement of old northwest farmers in the market economy is "the financing for the purchase of land and supplies came from loans made by eastern insurance companies and banks firms."
A market economy is a kind of capitalism in which a nation's businesses and citizens interact to determine economic policy and the cost of goods and services.
Despite the possibility of central planning or government interference, this phrase typically denotes a more generally market-oriented economy.
Some key features of market economy are-
To know more about market economy, here
https://brainly.com/question/1659498
#SPJ4