Complex sentence should be the answer
The answer above is completely incorrect. The actual answer is going to be the second option: They shared the belief that rights granted by the US Constitution should apply to all Americans. Hope it helps.
Neither. Dormant and recessive are not synonyms because their definitions are not similar, nor are they antonyms because they aren't opposites, either. Dormant means to sleep. Recessive refers to a trait that is usually masked by a dominant trait.
Hope that answered your question.