5. Which period or event was led by Bartolomeu Dias, Christopher Columbus, Vasco da
Gama, and Ferdinand Magellan, among others?
A.Crusades
C.Renaissance
B.Reformation
D.Exploration
The ones listed are all explorers. The land forms of the planet opened up to them and they could conclude that the earth was truly a globe by just piecing together the trips that they took.