In addition to plants, Europeans brought domesticated animals such as cattle, sheep, goats, pigs, and horses. Eventually, people began to breed horses, cattle, and sheep in North America, Mexico , and South America . ... In North America , the horse dramatically changed how many Native Americans lived.
Many Anti-Federalists preferred a weak central government because they equated a strong government with British tyranny. Others wanted to encourage democracy and feared a strong government that would be dominated by the wealthy. They felt that the states were giving up too much power to the new federal government.
Give their land to settlers I think