<span>The
answer is secession or letter A. The
best example of this was seen during the American Civil War. One of the reasons why this war began was
because many Southern states left the Union because the feared the election of
Abraham Lincoln would threaten their rights particularly when it comes to
slavery</span>
Because at any given time the soviets could set the missiles off and attack the US from all sides and we would have no way to stop it. It would also be attacking some of the most important places in the US