AP US Historymediummcq1 pt
Which of the following best explains why Lincoln's victory in 1860 triggered secession?
A.Lincoln won an electoral majority with almost no southern votes, showing that the North could elect a president hostile to slavery's expansion without the South
B.Lincoln campaigned on immediate abolition throughout the South
C.Congress had already expelled the southern states from the Union
D.The Supreme Court ordered the South to emancipate its slaves