It was "Lorenzo de' Medici" who was a ruler of Florence and a famous patron of arts and science during the Renaissance, since his family's great wealth allowed them to heavily patronize the arts.
Yes i would agree with monroe doctrine with his statement in 1823
I dont understand the question plz add more context.
Monopolies did not lead to the great depression alt
Though reform laws created during the depression era outlawed big business or monopoly practices.