<span>The answer is US Froze Japan's assets and exports.
Japan was actually angry for the reason that although back then the US hasn't been formally involved in the war, that action actually transport a huge disadvantages from the Japanese in their war.
Consequently, they criticized the US Naval Base in Pearl Harbor, Hawaii. This bout lead the US to be formally complicated in the World War II.</span>
Wanted to get rid of the colonial re of Britain.
South Carolina was the first because they though that their way of life was threatened from the election of President Abraham Lincoln.