What prompted federal tax reform in 1986?
a. the tax code favored the rich and powerful.
b. the tax laws were too old.
c. not enough tax revenues were being raised.
d. taxes were being collected inefficiently.

The reason behind the federal tax reform in 1986 was that the tax code favored the rich and the powerful. The correct option among all the options given in the question is option "a". President Reagan wanted uniformity and neutrality in the tax structure. He wanted to block all the loopholes and reduce individual taxes marginally and raise the corporate taxes.