Revenue Tariffs Are Still Common in Less-Developed Countries Because

Revenue tariffs are still common in less-developed countries because

A) their governments are unable to collect other forms of taxes from their citizens.
B) their governments can easily collect them as goods come through a port or one of a few checkpoints.
C) their governments want foreign exporters to subsidize them.
D) they raise more money at one time than any other form of taxation would.
E) they raise money from foreigners rather than from taxing their own citizens.