All of the following advances in technology contributed to the age of exploration exept

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be "the steam engine", since this didn't come around until the Industrial Revolution--long after the age of exploration.

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.

River valleys were good places for hunting and fishing.