At the time the government lied to the American public about the status of the ongoing Vietnam War, everyone thought that we were winning the war, until the new York times published the pentagon papers which showed the American public that wasn't the case.
I have taken this before and I believe the answer is D
When prince Ferdinand and queen Isabella were married Spain was unified
There were several reasons why the Founding Fathers replaced the Articles of Confederation with the Constitution, but the main one is that the Articles gave Congress no power to tax the states, which was very much needed for debt payments.