Which type of context clue would define the word desolation in the sentence below?

mick was feeling lonely and miserable. his desolation was unbearable.

a. synonym

b. antonym

c. cause and effect

d. explanation

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

for your question the answer would have to be france