For each of the following, decide first if Congress has the power (either enumerated or implied). If they do have the power, is it enumerated or implied? What specific clause gives them that power? Remember, all implied powers still have to be connected to an enumerated power.

prohibit sending weapons through the mail
establish the Federal Reserve System (national bank system)
institute a draft
nominate a judge
place a tax on alcohol
establish a minimum wage
create the IRS
fire the Secretary of Defense
issue US savings bonds
ban discrimination in the workplace
grant citizenship to "Dreamers"
create a 40 hour work week