They did it by destroying their agriculture products
Containment is a geopolitical strategic foreign policy pursued by the United States. It is loosely related to the term cordon sanitaire which was later used to describe the geopolitical containment of the Soviet Union in the 1940s. The strategy of "containment" is best known as a Cold War foreign policy of the United States and its allies to prevent the spread of communism after the end of World War II.
The answer is b- buying and selling goods
Any choices? If there inst then it would be because they had a source of water and that helped expand territory
<span />