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
It made people believe that the British were being helped by God. With this defeat Elizabeth I was able to turn Britain into one of the most powerful nations with the best navy in the world until around 1972. Though the real reason behind the defeat was bad weather it did help Britain a lot, that's why it's considered important.
The continual flow of the free market is driven by self interest and competition.