The Lewis And Clark Expedition's goal was the explore the new land to the west. One of there other goals was the find a waterway that stretched from the east side of the US to the other side, also known as Sea to Shining Sea.
Being white..................
The Sierra Nevada and the Mojave Desert are two of the main geographical features of California.
I strongly believe the answer is C. Because they both became the richest and most powerful country.
