What is the figurative language "" the ocean of trees and lakes ""

The phrase  "The ocean of trees and lakes" suggests a vast, dense area of forests with many lakes in it. The area is so large that it seems to extend in all directions. That´s the impression you may get.

Explanation:

3.a

4.d

5.b

6.b

7.c

8.a

9.d

10.a

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.