The US<span> and the </span>Soviet Union<span> were only </span>allies<span> in </span>WWII<span> because they were both so worried about Nazi Germany. It was not as if the two countries had any natural reason to be </span>allies<span>. That means that we should not be surprised that they went back to being rivals after </span>WWII<span>. </span>
Today, the fundamentalist movement in the Middle East calls for introduction of old, Islamic, traditional laws and norms of behavior such as the Shariah law, or similar.