Answer:
Containment of Communism
Explanation:
During the Cold War, the chief policy of the United States was to contain the spread of communism. And so, the plan for Vietnam was to keep communism from taking over and US troops were sent there to ensure that.
Answer:
the Great Plains
Explanation:
Throughout the region there are many farms dedicated to agriculture and farming. It is also home to vast amounts of oil, gas, and coal.
Although opportunity cost is definitely important, it is hard to put a "price" on the opportunity in many cases, which makes it unmeasurable. This is why economists focus almost exclusively on price.
Answer:
El ferrocarril fue una innovación que revolucionó la economía en el siglo XIX porque permitió el movimiento de mercancías desde los lugares de producción, el campo, al lugar de producción, en las ciudades.
Explanation: