Answer:
The primary purpose of the prologue in Sugar Changed the World is to inform the reader about the impact of sugar on world events and culture. First, the text introduces the history of sugar production and indicates that it led to slavery.
It is the main idea of your concept... It's the thing that you try to explain
Run and arrive because an adverb is an action word and a train is arriving which is an action and they were running which is an action
Allusion is a figure of speech, in which an object or circumstance from unrelated context is referenced covertly or indirectly. It is left to the audience to make the direct connection; where the connection is directly and explicitly stated by the author, it is instead usually termed a reference
