The third option is the correct answer.
Answer: The Communists, under the eventual command of Mao Zedong and Zhou Enlai, escaped in a circling retreat to the west and north, which reportedly traversed over 9,000 kilometres (5,600 mi) over 370 days. The route passed through some of the most difficult terrain of western China by traveling west, then north, to Shaanxi.
Explanation:
The Church court dealt mainly with moral crimes. This was when an accused person claimed the right to be tried in the more lenient Church courts. In theory, this right was intended only for priests.
William Wilberforce (24 August 1759 – 29 July 1833) was an English politician known as a leader of the movement to stop the slave trade.A native of Kingston upon Hull, Yorkshire, he began his political career in 1780, eventually becoming a Member of Parliament for Yorkshire (1784–1812).
Answer: significnce
Explanation: the word milestone shows that contribution was to an important or significant event.