Answer:
Capitalize proper nouns—and adjectives derived from proper nouns.
Examples:
the Golden Gate Bridge
the Grand Canyon
a Russian song
a Shakespearean sonnet
a Freudian slip
With the passage of time, some words originally derived from proper nouns have taken on a life, and authority, of their own and no longer require capitalization.
Examples:
herculean (from the mythological hero Hercules)
quixotic (from the hero of the classic novel Don Quixote)
draconian (from ancient-Athenian lawgiver Draco)
The main function of capitals is to focus attention on particular elements within any group of people, places, or things. We can speak of a lake in the middle of the country, or we can be more specific and say Lake Michigan, which distinguishes it from every other lake on earth.
Explanation: