Answer:
In this order:
B, A, D, C, E
I'm unsure about the Preparedness Movement as I only know that it picked up in April.
Typhus is the answer i beleive
It would be easier to read
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