The answer should be
A. Communism
Germany divided into democratic and communist zones, while
communists controlled no part of Japan.
Hope this helps.
Nomadic peoples of the steppes including the Uighurs, the Jurchens (Manchu), the Kazakhs, the Mongols, and the Xiongnu in the north and west of China borders on desert and range-lands. They were the nomadic invaders who controlled and contributed to the collapse of the Han Chinese between 206 BCE and 221 CE in China. The nomadic people controlled the extremely valuable Silk Road trade routes making them unfit to travel which were vital to the success of Chinese governments resulting in an adverse effect to the economy. During the prosperous times, the settled agricultural people of China paid tribute to the troublesome nomads or hired them to provide security from the other tribes while the Emperors offered Chinese princesses as brides to the "Barbarian" rulers to preserve peace.
It depends on what you take to be the beginning and what the end. It lasted two years if you understand it as from the time it was revealed to the time Nixon resigned. It lasted 5 years if you take it from the time Nixon began doing it to the time he resigned.
D. Cuneiform. This is the earliest known writing system.
