请高手们帮我分析一个句子TheactisinreactiontoaMexican-AmericanprogrammeinTucson,whichopponentsclaimteachesHispanicsthattheyareoppressedbywhites.whichopponentsclaimteachesHispanicsthattheyareoppressedbywhites.

问题：请高手们帮我分析一个句子TheactisinreactiontoaMexican-AmericanprogrammeinTucson,whichopponentsclaimteachesHispanicsthattheyareoppressedbywhites.whichopponentsclaimteachesHispanicsthattheyareoppressedbywhites.

答案：↓↓↓

马维一的回答：

网友采纳　　这一法案是为应对Tucson地区的一项墨裔美国人计划而制订的,其反对人士称,它告诉(教导)西裔他们受到白人的压迫.　　这里的which是指代前面的act