Why did the mongols move west and south across the steppes? a. waterways were available in that direction, but not in other directions. b. they wanted to avoid the rugged terrain to the north. c. they sought better land and a more livable climate. d. they wanted to avoid other people who were moving into mongolia.

question is unclear.

i can't sorry.

post the full question so i can .

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).