Which of the following is a result of the invention of the printing press?

the price of books stayed about the same.

books were available only in germany where the printing press was invented.

books became more expensive because of the cost of the printing press.

books became less expensive because less labor was required.

i don't know this one

A. identify the constitutional clause that is common to both mccutcheon v. federal election commission (2014) and citizens united v. federal election commission (2010). based on the constitutional clause identified in part a, explain why the facts of citizens united v. federal election commission (2010) led to a similar holding to the holding in mccutcheon v. federal election commission (2014). describe an action that members of the public who disagree with the holding in mccutcheon v. federal election commission could take to limit its impact.