The use of on the other hand, also, and in other words, are c. They transition to another thought. These words are usually used in transitioning sentences to begin a new thought!
I hope this helps you!
The first one is D, the second is C, and the last one is A
I believe the correct answer is B. Kennedy talks about Puerto Ricans, Negros, and Mexicans in his speech, whereas Nixon just refers to as Americans. Hope this helps!
I think C, character vs society