Why was Dr. Martin Luther King, Jr. a successful civil rights leader?

Which of the following statements was true about lincoln's popularity at the time of the gettysburg address? a) he was just as popular as when he was elected. b) he was more popular with southerners than he had been at the beginning of the war. c) his popularity was very high. d) his popularity was very low.

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u.k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u.s. entered the war; military targets were bombed afterward

What is the difference between an independent and a dependent variable?