In the Late Twelfth Century,the Mongols Quickly Built Up a Large

Multiple Choice

In the late twelfth century,the Mongols quickly built up a large military force by:

A) offering land in exchange for military service.
B) uniting with the Mughal empire of India.
C) peacefully merging with the Chin dynasty in western China.
D) defeating Poland, Hungary, and eastern Germany.
E) incorporating the armies of defeated tribes.