What Triggered the Trend Toward New Judicial Federalism in the 1970s

What triggered the trend toward new judicial federalism in the 1970s?

A) the growing conservatism of the U.S.Supreme Court
B) the reluctance of state courts to abide by the rulings of the U.S.Supreme Court
C) federal laws affecting public education, such as busing
D) the failure to ratify the federal Equal Rights Amendment
E) Jimmy Carter's election as president