Answer:
The California Gold Rush was sparked by the discovery of gold nuggets in the Sacramento Valley in early 1848 and was arguably one of the most significant events to shape American history during the first half of the 19th century.
Explanation:
Limiting factor can be birth rate or death rate
Answer: In order for the united states and other countries to get goods that the do not have.
Explanation:
It is called the Revolutionary War.
