i think that using a variety of colors would be the most logical thing out of that list.
It was "(D) John L. O’Sullivan" who is generally credited with being one of the first people to popularize <span>the phrase Manifest Destiny, since he believed that the US was "destined" to expand all the way to the Pacific Ocean. </span>
<span>He was a southern farmer who was sympathetic to the cause. </span>
The Socratic method is named after Socrates.