opinion because it is not supported by statistics and "people" is and indicator of generalising the population. Therefore, it is an opinion rather than a fact.
Answer:
Olympic swimmers' high-technology suits made of nylon and other materials help them glide more quickly through the water.
When a sheet says that, it means that the word is what the appositive is discribing.
The answer should be the first option
⭕He is subtly expressing his disapproval of the institution of slavery.
Answer:
The frontier of civilization afresh