Answer:sometimes you may have to get a flashback at what had happened in the past so it can make some sense in the future
Explanation:
A Constrain is something that imposes a limit or it means to prevent something from occurring.
Example of a sentence: We had to terminate the project due to time constraints.
Jack and The Beanstalk (quote it)
The Herald Times (Quote it)
Gone With The Wind( underline it)
Cinderella ( quote it)
Sports Limited (quote it)