Chapter 1, Problem 18DQ

What is not considered a tax base used by government agencies to collect tax?  Federal income taxes include a variety of different tax bases. What tax base is not a federal tax?  Like federal income taxes, state and local taxes include a variety of different tax bases. What tax base is neither a state nor local tax?

What is the issue with trying to abolish all property tax? Is property tax mandated by the government or the state?