President Jefferson hesitated in
submitting the Louisiana Purchase treaty because he did not want to
violate the Constitutional power granted to him. He was aware that the
Constitution does not specifically allow him to buy land or territory from a foreign
power.
Japan's sinking of a US gunboat during its assault on nanking heightened tensions between the two countries four years before the attack on Pearl Harbor. on the morning of Dec 12.1937, the US gunboat PANAY was anchored in the middle of the Yangtze River 27 miles upriver from nanking.
<span>Africa and the Americans on triangular trade routes
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