Answer:
territory, population, government and sovereignty
Explanation:
A state must have its own territory , it must be populated , there must be government and sovereignty
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.
World war 2 officially started in 1939
Answer:
The answer is a) They recorded their observations of diseases
Explanation:
This is right on Edgen