In its ruling in citizens united v. federal election commission, the supreme court:
a. invalidated the use of union money in federal election campaigns.
b. lifted restrictions in corporate and union spending in federal election campaigns.
c. placed restrictions on the amounts that individuals can donate to federal election campaigns.
d. placed limits on the amounts that corporations can donate to federal election campaigns.
e. eliminated the provision for matching federal campaign funds in presidential elections.

b. lifted restrictions in corporate and union spending in federal election campaigns.

Explanation:

In the landmark Citizens United vs Federal Election Commission, the Supreme Court ruled that campaign contributions are a form of free speech, whether they come from individuals, corporations or labor unions, and therefore, these contributions cannot be restricted because they are protected under the First Amendment of the U.S. Constitution.

the answer would be in this answer. someone already asked the question.  

i feel as if they would both catch on before to long because they would see them to frequent