Answer:
He is saying that human perception is not true knowledge (to the prisoners the shadows are reality) and instead, real knowledge can only come via philosophical reasoning.
Explanation:
Plato claimed that knowledge gained through the senses is no more than opinion, in order to have real knowledge, we must gain it through philosophical reasoning.
This deal helped out the unemployed, the poor and helped the recovery of the economy along with other things like farmers and the elderly.
The movement helped achieve more political rights such as the 19th amendment which gave women the right to vote and they got property rights. I don’t know if this is what you’re looking for or not