The united states committed to a cold war
policy of mutual defense when it
(1) aided the nationalists in china
(2) established the eisenhower doctrine
(3) joined the north atlantic treaty organization
(nato)
(4) rejected united nations efforts to halt the
development of atomic weapons

The United States committed to a Cold War policy of mutual defense when it "(3) joined the North Atlantic Treaty Organization (NATO)" which contained the Soviets. 

Towns and small farms are usually for land, lakes, rivers, and seas.they also produce other food, like crops.it's also where animals are, where we get our meat.large plantations normally have forests, where crops are grown for sale. (similar to farms)plantations have larger fields of crops.our wine, sugar canes, and fruits come from plantations.