1.
a person who buys and sells goods
2.
the process of charting a course for a ship or an aircraft
3.
an instrument used in navigation
4.
the use of scientific knowledge or new tools to improve how things are done
5.
a small, fast sailing ship created by the Portuguese in the 1400s
6.
post a store set up in a distant place to allow trade to take place
7.
trade the capture, enslavement, buying, and selling of people for profit
8.
a person who supports the work of another person or organization, often with money
10.
an organized group of people taking a journey for a purpose
11.
a group of nations or peoples ruled by a single authority
12.
to travel completely around
13.
a settlement far away from the country that rules it
14.
the movement of people, animals, plants, and cultures between the Eastern and Western hemispheres
15.
an outbreak of disease affecting many people at the same time
