To add the suffix ment to argue requires a spelling change.

true
false

Argument is in British English, and Argument is American English. Like in British English judgment, but in American English judgement.  But in the dictionary it is spelled argument. So the answer to your question is: 

True.
Hope I didn't answer it too late.   :)

Safe havens allow students to learn and grow.

Explanation:

"By design, Drug-Free School Zones are intended to improve the environments where children congregate, thus creating drug-free "safe havens" for them to learn and grow."