The shifting of ground combat operations to the south vietnamese and the gradual withdrawal of american troops from south vietnam was called
a. containment
b. the domino theory
c. the truman doctrine
d. vietnamization

The answer is Vietnamization or letter d.  Nixon vowed to withdraw U.S. troops from Vietnam thereby transferring the responsibility of fighting the war to the South Vietnamese army.  Apart from that, he also began negotiations with North Vietnamese.  Combat was focused on covert operations as the Americans eventually left Vietnam allowing the North to unite the South.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

are there actual statements because if not my answer would be: that using the five senses the author can create a sense of worth in an object to appeal to the reader and create meaning.