No weird answers, absurd answers, or links please :') According to Lincoln, what do the American people have to do to make sure that the U. S. soldiers who were killed at Gettysburg (and other battlefields) had not died "in vain"?

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.