This is called judicial review.
At night on Christmas in 1776, the Patriots scored a victory at Trenton. The Battle of Trenton is the first major victory for the Continental Army. With General Washington leading the attack against Trenton and the Hessian troops sober from their Christmas celebrations, they were easily defeated while the Americans had only lost 2 soldiers.
It was primarily the business and shop owners in the west that <span>profited the most from the California Gold Rush, since finding gold was relatively rare, but the surge of people hoping to find gold boosted the economy of the west as a whole. </span>
An entrepreneur could start his own business.
Is this one of your answers?
Research by some scholars provides population estimates of the pre-contact Americas to be as high as 112 million in 1492, while others estimate the population to have been as low as eight million. In any case, the native population declined to less than six million by 1650.
I believe there is a book on the matter as well. Good luck. :)