To either inform about a specific event that happened in history or describe/explain if it’s something the author personally experienced
"That she made" is the adjective clause.
"Suggestions" is the words it modifies.
Adjective clauses are groups of related words that contain a subject and a verb and modify a noun. Adjective clauses are dependant clauses.
In this example the word "suggestions" is the noun that is being modified by the adjective clause.
Example:
Ashley likes to ski, to swim and to jump. This is correct and uses parallel structure. An incorrect version of this sentence would read: Ashley likes to ski, to swim and jumping.
Read more at http://examples.yourdictionary.com/parallel-structure-examples.html#jXYWqYUZUZhucVzJ.99
Meaning :
Parallel structure means using the same pattern of words to show that two or more words or ideas are of equal importance and to help the reader comprehend what is being written. It is grammatically correct to ensure that phrases, clauses and items on a list after a colon use the correct parallel structure.
Taking the ice cream cone after buying it .