A thesaurus is your best source option for alternate words with the same meaning.
The nouns are president, class, and class officials. hope this helps !
Answer: No you can not put a price for happiness. It’s an emotion.
Explanation: happiness comes from joy and pure goodness. Sure money can buy some happiness. But it does not last forever. That is why true happiness does not have a price but is highly valued.
The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.