Which book written by baldassare casting lionel describes how nobles should behave at a royal court

Baldassare Castiglione wrote The Courtier during the Renaissance which described courtly conduct for the nobles of Italy. This is where we get the term Renaissance man.

Ifound this on google “simply, the working conditions were terrible during the industrial revolution. as factories were being built, businesses were in need of workers. with a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.” i hope this you for what your looking for.