There is one adverb in this sentence - "often", but it's not part of the advern phrase.
The whole adverb phrase actually does not contain an adverb - it's "Before automobiles came on the scene" - answer a) . It's an adverb phrase because it answers the question of "when"
Answer:
Because some others have experienced racism.
This is just a thought so.... I think that the high winds are hazardous for this train. Because of these high winds the train may slide off and cause an accident killing multiple people.
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Answer:
It means the moment when democracy was threatened was a terrible time, because it threatens the whole country.
Explanation:
Gorman says that we did not expect to be heirs to such a terrible time. That hour is the time when democracy and order were threatened in the country, which threatened the life and freedom of all citizens. A "terrifying hour" refers to a time that will have extremely negative results and that will accompany people for a long time.