> Because some people committed treason and gave the technology to the Soviets.

American big business is pretty much doing that every day, handing over technology to increase China's manufacturing tech level.

Pretty soon China won't need it anymore. If the massive incompetence of the US government and business establishment is defeated, the the industrial espionage will start to go in the other direction. More likely is the US just declines, becoming little more than a source of raw materials and agricultural products to fuel advanced Chinese industry.