The correct answer is: power of the president to keep communications confidential
Executive Privilege refers to the Executive's ability to keep some information private for the public good.
Westward expansion began with the Louisiana Purchase, (it was a movement of settlers into the American West.)
The Time and travels
Of the man tribes
It depends on who it is between. They can create terrible relations between other political parties by slandering, by being disrespectful, by being hateful, etc. They can also create terrible relations between common people by demonizing the other political parties, by lieing, by using hate, etc.