การดู
6:59
U.S. History | California Gold Rush and Westward Expansion
9:12
The History of the California Gold Rush and the 49ers | FOR KIDS!
5:09
What is Manifest Destiny?
5:02
Mining Boomtowns | Daily Bellringer
1:30:08
ผจญภัยแดนขุมทรัพย์เทพนิยาย
12:44
Westward Expansion: Crash Course US History #24
0:57
First Descent Dragon's Back Spine Meteorite Mountain By Dean Cummings
16:36
Mark Plotkin: What the people of the Amazon know that you don’t
