In the word claustrophobic, phob is the root. The correct answer is Root It cannot be a suffix, because suffixes are added after the root, and here, the suffix is -ic. It also cannot be a prefix, because prefixes are added before the root, so here the prefix would be claustro-. It cannot be an affix, because affixes include suffixes and prefixes.
Try one country at a time. First explain the countries healthy standards individually. Then compare and contrast the two countries together. That should help you start off! Just keep sharing ideas and facts + blending in your own opinions on the matter.