Q15:
According to the passage, which of the following resulted from the Lone Wolf decision?
A The Supreme Court took on a greater role in Native American affairs.
B Native American tribes lost their legal standing as sovereign nations in their dealings with the federal government, but their ownership of tribal lands was confirmed.
C The federal government no longer needed to conclude a formal agreement with a Native American tribe in order to carry out policy decisions that affected the tribe.
D The federal government began to appropriate tribal lands for distribution to non-Indian settlers.
E Native American tribes were no longer able to challenge congressional actions by appealing to the Supreme Court.
答案显然是C，不是E，还是我理解错了，请指点 | 
