Since Russia had an alliance with Serbia, it ordered its forces to mobilize for war. it wasn't a formal alliance, but it did specify that if someone declared war on Serbia, Russia would also step in. This resulted in other countries also getting involved in the war. The answer would be D!
-TetraFish
Me personally I like whole class because then I dont lose focus as easy
"a. establish foreign policy" "e. declare war" and "<span>c. maintain armed forces" are the only options from the list that the Constitution gives specifically to the national government, since these are explicit powers. </span>
