(The photo above goes with the question)

The migration to urban centers that is evident in the source is most likely a result of which early modern process?

A) improved agricultural productivity

B) changes in global climate brought on by the Little Ice Age

C) the discovery of and establishment of settler colonies in the New World

D) philosophical movements that call into question institutions like serfdom

randy pausch was a famous mathematician, writer and lecturer who is particularly famous for his last speech, given in 2007, "the las lecture", because he illustrates why one's dreams need to be pursued in a logical order if success is to be obtained, option c. at this time, pausch had been diagnosed with terminal cancer so he told the audience to follow their childhood dreams, which were possible to achieve. it has been recognized as one of the best motivational speech around the world.