China's agriculture boomed in the seventeenth century with the ...

[TVarnum]

China's agriculture boomed in the seventeenth century with the introduction of
 
  a. iron farming tools.
  b. three field rotation.
  c. a new strain of rice.
  d. African slaves for fieldwork.
  e. crops like sweet potatoes from America.

Question 2

To the Japanese, ____ was a reference to all western knowledge and a sign of ____.
 
  a. Christianity; cultural intrusion
  b. Dutch learning; cultural intrusion
  c. Mughal fashion; progress
  d. Christian missionaries; European imposition
  e. Dutch learning; worldly sophistication

[stanleka1]

Answer to Question 1

e

Answer to Question 2

e