By circumnavigating africa , vasco da gama became the first european to reach the east indies by sea. true/false

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

How did the iran-contra affair impact the conflict between the united states and the soviet union? what role did the iran-contra affair play in both iran and nicaragua?

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?