Answer: The Huang He River and the Yangtze River.
The Grand Canal is the longest and oldest canal or artificial river in the world. The oldest parts of the canal date back to the 5th century BC, but it was significantly rebuilt between 1271 and 1633. The canal starts at Beijing, passes through Tianjin, Hebei, Shandong, Jiangsu and Zhejiang to the city of Hangzhou. The canal links the Huang He and the Yangtze rivers.
Luckily, geography is split into two main areas that make it easier to wrap your head around: Physical geography looks at the natural processes of the Earth, such as climate and plate tectonics. Human geography looks at the impact and behavior of people and how they relate to the physical world.
Answer:
Triple Entente, association between Great Britain, France, and Russia, the nucleus of the Allied Powers in World War I.
D or A is the answer. I least I narrowed it down.