Frontier became a part of America's identity. It represented many things to Americans. Adventure, danger, freedom and opportunity represents the frontier. It is because of the end of the frontier, it had a psychological impact to Americans because the frontier became their sort of escape mechanism.
Many people could now buy goods cheaply, such as hammers and chairs. Before, these would have to be handcrafted and would be expensive. Please mark Brainliest.
For the first question the natural world can control where people live by the physical features and geographic location.
A: I looked it up on google
They invented lighthouses to avoid shipwrecks.
