Answer:
Immigration gives the United States an economic edge in the world economy. Immigrants bring innovative ideas and entrepreneurial spirit to the U.S. economy. They provide business contacts to other markets, enhancing America's ability to trade and invest profitably in the global economy.
Answer:Food shortages, contaminated drinking water, sickness, periodic skirmishes with the Powhatan Indians, and ineffective council leadership owing to bickering and the unexpected death of Bartholomew Gosnold made the early months of Jamestown's existence extremely tough.
Railroad expansion allowed Native American hunters to sell bison meat and hides at higher rates than before.
Railroad expansion brought U.S. settlers in contact with bison, drastically reducing the population of this food source.
Westward migration of U.S. settlers increased the number of farms, causing a supplementation of bison meat with grains.
Westward migration of slave-owning settlers diminished the demand for bison as a beast of burden, causing the bison population to increase.
he was the first african american to serve as the mayor of atlanta is ur answer