Question

6.5 china and the west- pg 399
balance of trade
trade surplus
trade deficit
opium war
indemnity
sino - japanese war
open - door policy

Explanation:

The problem involves historical topics related to China and the West, such as trade balance, wars, and policies. The subfield of History in Social Science is the most appropriate as it deals with historical events, economic history (trade balance), and political - military history (wars, policies).

Answer:

Social Science - History