The City of Oakland arrests a business owner for allegedly violating a health-code law in his cafe. The city prosecutor reads aloud in court a statement from the city as to why the business owner is guilty. The judge declares the business owner guilty before the owner can even tell her side of the case. If she challenges her "conviction" by the judge, by appealing to a higher court, the owner should be able to get her conviction in the lower court over-turned, because of which US Constitutional protection:

a.	Due Process Clauses c. Supremacy Clause
b.	Equal Protection Clause d. Federalism Doctrine