the tanf aspect of the welfare reform act select one: a. was a categorical grant that restricted federal assistance to three years but limited state discretion in how to use the funds. b. was a block grant that, among other aspects, restricted federal assistance to five years. c. was a categorical grant that placed no time restrictions on federal assistance but dramatically limited state discretion in how to use the funds. d. was a block grant with no time or activity restrictions on how to use federal funds. e. ended direct federal welfare assistance to the states in grants of any form.