What beliefs does benét find essential to our system of government?

According to Benét the beliefs which are essential for our government system are: Free speech, Assembly, Elections and Practice of Religion. He thinks these are the cornerstones of the government.
Stephen Vincent Benét who was born in 1898 and lived for 45 year, died in 1943 was a multitalented writer who won Pulitzer Prize for John Brown's Body.

answer: b) bubbling its way

explanation: an adjective is a word or a group of words that modifies a noun (name, thing, place,

in this case, the first option "to heartily enjoy" isn't describing or modifying any noun, the third option "hiking along merrily" is describing an action but it doesn't modify any noun, the last option "beside us" is just a preposition that indicates position, so the correct answer is the second one: "bubbling its way" because it is modifying the noun "stream".