I wrote "sweets" instead of "candies", which a non-American probably wouldn't use but is pretty standard elsewhere, and it counted as incorrect.
Yes, in Australia they are called "lollies" or "sweets". Just a cultural linguistic difference.
Snacks = חטיפים. Can be salty. Candies can be only sweet, therefore ממתקים from the root מ.ת.ק.
This is very complicated The answer provided under "Wong" is not accurate. If you try and paste it it will say incorrect. Duolingo needs to get this together