Answer:
The Grand Canal was key to China's reunification as it linked both its huge waterways to irrigate and drain China's agricultural zones. Thanks to this, which represented the longest waterway made by man, China's agricultural system prospered, and the population in agricultural areas has grown. Ships with provisions navigated through the canal, boosting the creation of huge urban areas next to its shores, which otherwise would have not been able to receive supplies with such ease.
Answer:
23 September
Youth Climate Summit, 21 September
This historic event will take place as part of a weekend of events leading up to the UN Secretary-General's Climate Action Summit on 23 September.
Explanation:
