The astrolabe, an example of improved technology of the 15th and 16th centuries, had the GREATEST impact on

Aliteracy rates.
Bbuilding methods.
Cnavigation skills.
Dartistic techniques.

Because of its location, which European country was the first to launch large scale exploration voyages?

AFrance
BGermany
CPortugal
Dthe Netherlands

What event was happening at same time as The Age of Exploration?

Athe Renaissance
Bthe Middle Ages
Cthe French Revolution
Dthe Industrial Revolution