Taking interests into account, it is illogical that free-traders give bribes to protectionist via __

参考答案:

taxestaxes 解析：题干中take．．．into account的意思是“考虑到……”。give bribes to“贿赂”与原文中的buy off“收买”属于同义转述。题干中的via表方式，故文中的use后的名词taxes就是该题的答案。