This is the correct form, though you need to be specific and describe who "them" is.
I would say B. gerund phrase. I just learned about this a week ago
Answers: 1. When things go wrong, Carl tends to brood for hours and to blame others. 3. The school was closed not only because of the snow and ice but also because of the lack of heat. 4. The ice was a greater problem for the electrical power company than for the natural gas company.
Explanation:
Parallel structures in sentences consist of the repetition of a grammatical pattern. This makes sentences have grammatical consistency and flow naturally. Below, I analyze each of the sentences:
1. When things go wrong... This sentence shows parallelism because the elements "to blame others" and "to brood for hours" have the same grammatical structure ( to + verb.)
2. After watching some Tv... This sentence lacks parallelism because the first verbs are in -ing form but the last one "read" does not follow this pattern.
3. The school was closed... This sentence uses parallel structure because it includes the expressions not only/but also (correlative conjunctions) that show grammatical consistency.
4. The ice was a greater problem... This sentence uses the preposition "for" to introduce two different details, which shows a parallel structure.
Answer:
In the case of African Americans.
Explanation:
The melting pot has failed because even today the minority is second class and is not living the embodiment of the American Dream. The ideal America that JFK was talking about was a mix of ethnicities