The government regulates the economy for the benefit of the public through two approaches: monetary policy and fiscal policy. Through monetary policy, the government exercises its power to regulate the money supply and level of interest rates. Through fiscal policy, it uses its power to tax and to spend.
Answer:
Obstacles:
1.The sea, america would normally be hard to access for non-mexican immigrants due to the wide ocean blocking their way. They often take this dangerous journey across as they have no other choice.
Pull factors:
1.For most non-americans (like me), the country would probably be fantasized and thought to be a great modern country full of amazing opportunities. This may make them wish to immigrate to America.
Valley of mexico, or as in the andes and all that.