Why did native american tribes form alliances with european powers?

What are contributions made by rene descartes

When top-roping is used, how long should the rope be in order to protect the climber throughout the climb?

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.