Petroleum is the most important resource found there.
They had beef about one of them not paying and they declared war.
Alexander Graham Bell invented the TELEPHONE in 1876. It is a device that lets two people have a conversation even when they are far from each other. This could be done by sending signals through cables. Alexander Graham Bell began a new era of communication with his invention of the telephone.
The Potsdam Conference<span>, 1945. The Big Three—Soviet leader Joseph Stalin, British Prime Minister Winston Churchill (replaced on July 26 by Prime Minister Clement Attlee), and U.S. President Harry </span>Truman<span>—met in </span>Potsdam<span>, Germany, from July 17 to August 2, 1945, to negotiate terms for the end of World War II.
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