They found coal and iron and disciplined workers, a growing population, and a technologically advanced society with research.
B. The violence in the South was increasingly disturbing and seemed to indicate that blacks would never really be free.
Answer:
A
Explanation:
Egypt had flooding cycles also to let the farmers know when to plant and harvest
It was primarily "<span>d. the vulnerability to invaders from the north", since the Mongol territory was rapidly expanding--making the Mongol warriors all the more powerful. </span>
