According to the Introductory Video in Section 2

Multiple Choice

According to the introductory video in section 2.2,what evidence suggests that learned Europeans knew that the earth was round?

A) Marco Polo had gone around the entire world during his travels.
B) Ancient Greek scholars had measured the earth's circumference.
C) The Crusaders discovered evidence that the earth was a sphere.
D) Alexander the Great's empire encompassed the entire world.