This passage has a melancholic mood. You can tell this due to some specific key words: "dull", "dark", "soundless." They all have a negative connotation. The imagery of a lone rider in a dreary and dull country under the oppressive sky may clue you in that the overall passage has a sad tone to it. Even later in the passage the author states that the scene is melancholic.

Which sentence best describes an objective news source?
A. No editorial staff iS present to filter information.
B. Some content is purposely left out by
the editorial staff.
C. The tone of an article is not affected by the journalist's personal feelings.
D. The tone of an article is affected by the journalist's personal
feelings.

- C. The tone of an article is not affected by the journalist's personal feelings.

-eloiza123 <3
Correct answer # 2: The world's nations must cooperate; one nation cannot solve the world's problems by itself.
When you connect two related independent clauses or sentences you use a semicolon. Both sentences should be completed grammarly writtend and with a connection. Make sure you do not write a capital letter after the semicolon, unless it is a proper name.
Answer # 3 is incorrect as there is a capitalized word
Answer # 1 it is incorrect to use "for" as the sentence is grammarly completed