By in the speech the speaker is more likely to accomplish the goal of

The correct answer is:

D) data; changing attitudes, beliefs, or values

The sentence will be as follow:

By including data in the speech the speaker is more likely to accomplish the goal of changing attitudes, beliefs, or values.

the correct answer is the name of the author of the quotation appears at the text leading up to it   apex 2018

d. therefore pilots wisely train these cubs by various strategic tricks to look danger in the face a little more calmly.

c or d they are the same