BUsiness law and ethics

In 250 words, what is the difference between a corporation, a sole proprietorship and a limited liability company? Review Citizens United v. Federal Election Commission 558 U.S. 310 (2010). You can access the case brief here: http://www.oyez.org/cases/2000-2009/2008/2008_08_2…

Focus on the First Amendment arguments. Should a business have the same First Amendment rights as individuals? Incorporate the material from the required readings along with scholarly outside research. Citations for all material used should be in APA format. Please review the grading rubric that is posted in the class announcements.