Pretty sure it is C best choice
The name of this message was the "Zimmermann telegram." This is because this message was sent by a German official named Arthur Zimmermann to promise Mexico that if they Mexico joined Germany in the war, Germany would regain its lost territory that the United States had previously obtained.
One way in which the Kingdom of Ghana facilitated the gold trade was by trading gold with slaves and other workers. Most of the trading was done with other African nations but some with Europeans.
"<span>All of the major powers considered war to be part of a valid foreign policy" is the best option, but it should be noted that militarism was a consequence of nationalism. </span>
