What is the date of Letter of the Duchess of Orleans?

Does anyone know why the second great awakening occurred? (i need an answer asap because this is a question on my assignment! < 3 : ))

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.

What happened in the tinker v des monies? and why is it important what happened in the hazlewood v. kuhlmeier? why is it important?