It Is Accurate to Say That

It is accurate to say that

A) local government was dominated by Manchus and Annamese in southern China.
B) Yongle moved the Ming capital from Nanjing to Amoy.
C) American crops such as peanuts and maize were introduced into China in the Qing Dynasty.
D) under the Ming, trade and other contacts increased between China and Japan.
E) the examination system was entirely abolished by the Qing.