divisive
adjective uk/dɪˈvaɪ.sɪv/ us/dɪˈvaɪ.sɪv/
有争议的；引起分歧的
used to describe something that causes great and sometimes unfriendly disagreement within a group of people
The Vietnam war was an extremely divisive issue in the US 越南战争在美国是一个极具争议的问题。