The correct answer is B. the USSR. Many of the leaders of the Nationalist Party in the Chinese Civil War were very inspired by the political ideology at the present time in the USSR. They were also very interested in the military system and were sent to Moscow to study it. However, there was a conclusion shortly after that the Soviet system was not the best system suitable for China. Nevertheless, the Chinese Nationalist Party kept close ties to the USSR.
He invented the high-speed liquid petroleum-fuelled engine. He and his business partner Wilhelm Maybach were two inventors whose goal was to create small, high-speed engines to be mounted in any kind of locomotion device.