Answer:
"People have the right to meet in groups and share ideas.<u> However</u>, a protest can disrupt traffic and other normal activities."
Explanation:
I think the signal word/phrase above indicates comparison as it tells you a right that people have but also the other sides of it.
Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence.
Scientific methodology includes the following: ... Evidence. Experiment and/or observation as benchmarks for testing hypotheses.
I want to say the answer would D) Diction and Grammar.
Its A cuz u said "the politician greeted his supporters, adverb really means a phrase, expressing a relation place, time &circumstance.