When researching, what is accomplished when putting 2-or-more word phrases in quotation marks?

The verb in the sentence is in what voice

How does bill safire depict mankind in his proposed speech? 1.adventurous and greedy 2.adventurous and determined 3.daring and invasive 4.timid and wary of loss

If you had read the label carefully, you wouldn’t have bought the expired product. what does it means? a. you didn’t buy the expired product because you read the level carefully. b. you didn’t read the label carefully so you bought the expired product.