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:
Native Americans suffered 80-90% population losses in most of America with influenza, typhoid, measles and smallpox taking the greatest toll in devastating epidemics that were compounded by the significant loss of leadership.
Explanation:
What war are they referring to?
The answer to your question is B. However the troops were eventually withdrawn from Vietnam due to disagreements from the American people.