6th grade chapters 1 and 2 test questions

I've gotten a couple of requests for test questions from the most recent US History test.  Without further ado, here they are:

Chapters One and Two Assessment

Answer the following questions in complete sentences.

1. Name one result of the Spanish armada.

2. What is the leading theory on how human beings first came to America?

3. Which city was the center of the Aztec empire?

4. Why were Native American customs so varied?

5. How many people did Christopher Columbus say would be required in order to keep all the people of North America in subjection?

6. Give one reason the Iroquois Federation Constitution was written.

7. What is the difference between a primary source and a secondary source?

8. What is the difference between an astrolabe and a compass?

Define the following terms.

9. Protestantism

10. plantation

11. presidio

12. mission

13. pueblo

14. conquistador

15. circumnavigate

16. mosque

17. archaeology

18. strait

19. nomad

20. irrigate

Bonus: Name as many Touchstones rules for productive discussion as you can.