The major campaign issue in the 1928 Election was, Religion and Prohibition.
Sooo I believe your answer is b.
They are declaring their independence from British and they hold their beliefs to be relevant.
They were upset because the law forbade them from settling in the Ohio River Valley where there was fertile soil for farming, and the Native Americans weren't using it, plus many colonists had already bought land west of the Appalachians and now weren't allowed to move. Many colonists did not respect the Native Americans and did not want to preserve their land. The colonists just ignored the law and moved across the Appalachians.
The national judiciary hears cases involving federal law and interstate cases. It also interprets the constitutionality of laws.
Not sure if this is the answer your looking for but one could be They reacted to it harshly, and were suspicious of all immigrants that came to American from a communist country