Which form of government is controlled by a small group of wealthy citizens

Probably the answer you seek is OLIGARCHY

Further explanation:

When you say "small group," then oligarchy is likely the best description.  Oligarchy means "rule by a few."   Based on the description, though, "a small group of wealthy citizens," another term that could have been used would be plutocracy, which means rule by the rich.

syria

tens of thousands of people were killed in as it’s longtime leader attempted to stay in power.

answer; i believe the correct answer is benjamin harrison;