Triangular trade increased the demand for both land and slave labor
The islands of Isla de Lobos and Lobos Island (Rio Negro)
Because he sent his dogs to he sails man across the ocean from point A to point B
Answer:
Massive influx of influx of homesteaders, ranchers, and miners swelled
Explanation:
The West frontiers were initially opened in order to attract as many immigrants as possible to occupy the land that exist In United States.
By the end of the 18th century, the influx of homesteaders, ranchers, and miners far surpassed the amount of land and job opportunities that's available in the Western Frontier.
So, the government decided to close it before the regions became overpopulated and people forced to do crimes because they couldn't find sources of income.