Benedict Arnold was an American general who defected to the British army
Answer: 36 million
Explanation: The US grew about 36 million between 1870 and 1900.
The Humboldt Sink is the dry lake bed which is around 18 kilo meters long. It is located in the state of Nevada. The area around the Sink was used by the migrants in the 1800s. This area was an important part of the Californian Trail. From the Humboldt Sink to the Truckee River there is no water.