How did the increased use of cash-crop agriculture during the 19th century affect farmers?

It also raises global interdependency as land is used for cash-crops rather than food and countries cease to be self-sufficient in that vital industry, eroding national sovereignty. ... Most often cash cropping farmers employ mono- cropping – the production of a single crop on a piece of land

is this question from a book? ?

sitting in that one chair where he could get shot at was his worst decision.