Meanings :
1. Trading – activity of buying and selling .
2. Medieval – middle period .
3. Commercial – intended to make a profit .
4. Routes – paths .
5. Facilities – place provided for a particular purpose .
6. Perishable – things which will get spoilt later .
7. Insatiable – unsatisfied .
8. Investment – process of keeping money for profit .
9. Navigate – direct the course of a ship .
10. Expeditions – journey for a particular purpose .
11. Exploration – to find out .
12. Monarchs – kings .
13. Imperialistic – practice of extending power .
14. Exploitation – made full use of .