(apex)before world war 1, france and russia had a military alliance. this meant that each country promised to support the other in the event of war. in 1914, germany declared war on russia. by the end of the year, both french and russian troops were battling the german military. if french military leaders declared that their primary goal in the war was to defend russia, which of the following conclusions would be supported? a) the french and russian military alliance was not correlated with world war 1. b) the french attack on germany was caused by the military alliance. c)the german attack on russia was caused by the military alliance. d)the french and russian forces together were stronger that the german forces