What happened during the columbian exchange?
a. spanish explorers traded food for gold in latin america.
b. columbus returned to the americas six times.
c. plants, animals, diseases, and people moved among continents.
d. thousands of people from the americas migrated to europe.

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.