Answer:
To add emphasis is the correct answer.
Explanation:
In English, we don't usually capitalize the common nouns that are names of people, places and, things. On the other hand, we do capitalize proper nouns, such as specific names of a person, place, or thing.
Even though capitalization rules are straightforward, there are some exceptions, as in the excerpt, where the words Welfare and Blessings or Liberty are capitalized to indicate how important they are.
