SO.......... they had to build across multiple different terrains. A few times they even had to dig through sections of mountains
Answer:
Without continuing to expand beyond our borders to export goods to services to the rest of the world, the U.S. will not have a rising economy or have the ability to increase citizens' revenues.
Probably the most dangerous thing about globalization is that because most countries would operate a free market, then the bigger nations are able to kill off the smaller nations that are third world countries. Since the bigger nations have more manpower and more resources, they can provide better products. This in turn would mean big competition for the third world countries in a global market. This would be very harmful to those developing countries.