A simile is a comparison of two unlike things using "like" or "as".
For example:
"John was like an eagle, as he quickly spotted the rabbit, and was able to capture it."
Note that the word <em>like</em> was used, and that it compared <em>John</em> with the <em>eagle</em>
hope this helps
Answer:
Now, people have to sneak across the border a lot more and are immigrating for a better life. But, 100 years ago, the regulations weren't as harsh and people were escaping their country for survival/
Explanation:
Do you mean a synonym for sharing? Try: distributing.
I would go with default. Dictionary and library do not really make sense in this circumstance. Default suggests a pre-selected option chosen by the database, which makes the most sense in this situation.