1
an astronomical instrument for taking the altitude of the sun or stars which could be converted to find latitude
astrolabe
open to attack, harm, or damage
vulnerable
to claim land for a nation by establishing a settlement
colonize
a fast, light ship first used by Portuguese explorers
caravel
to travel all the way around Earth
circumnavigate
a narrow passage of water connecting two large bodies of water
strait
to pay for or support
sponsor
originating from or first to live in a particular region or environment
indigenous
a policy of extending a country’s power and influence through colonization, military force, or other means
imperialism
a soldier during the 16th and 17th centuries who defeated indigenous peoples in the Americas and took their land for Spain
conquistador
a device with a magnetic needle that indicates direction on Earth’s surface by pointing to the north
compass