South Carolina and Columbia
It's C. Germany sunk the Lusitania and tried to get Mexico to attack the US in the Zimmerman Telegram.
I would say answer number 4
a primary source is a first-hand account event examples include newspaper letters Diaries photographs sketches and music in court cases recorded history and student and professional research is must analyze primary sources carefully says they are usually a record of only a single person experience
They lost 74% of our treaty territory