I need to know the order on which of these happened please! And before 11 pm please i need to get this project done its due tomorrow 9 am please guys help me out
California Gold rush of 1849 - Mexican-American War - Louisiana Purchase - Missouri Compromise - Lewis and Clark Expedition - Klondike Gold Rush - Kansas Nebraska Act - Oregon Trail - Transcontinental Railroad - Homestead Act - Indian Removal Act

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.