A flashback is a memory, so it is the second option.
<span> Here are the examples of career change:
Sonja is a Bus Driver who takes a new job as a Cook in a restaurant.
</span><span>Joshua is a Security Guard who takes a job as a High School Math Teacher.
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These two situations represent people who took up a completely different job that has no connection with the previous one and requires totally different responsibilities as it is completely another sphere of working. The rest of options represent people who choose another work but they still work in the same sphere.<span>
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The nation achieved the goals that Frederick Douglass and Abraham Lincoln desired by eradicating slavery across all of America and ensuring that every black American are free and have equal participation in the society. The Constitution would be the backbone of this freedom.