He collected manuscripts from around Europe and gathered them all in the Vatican's library. a Medici
b Chiaroscuro
c Petrarch
d Machiavelli​

How did the growth of the middle class affect social reform during the industrial revolution?

According to robert kennedy, how might the historian see 1962a. as a year of resistance by the southb. as a year of great progress in civil rightsc. as a year of rioting and violenced. as a year of resegregation

How did people react to electricity?