Which economic advantages does the united states have compared to other nations?
a. expansive territory, fertile farmland
b. extensive oil reserves, inexpensive labor force
c. inexpensive labor force, expansive territory
d. large deposits of diamonds, fertile farmland

he wants whats best for the united states of america! he does want to make the country strong and safe. everyone will have to adjust to changes for him to do this. it is a very hard task and he needs to do this.

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.