The Answer To Your Question is B. Alignment.
Hope It Helps
a series of complicated factors caused the war, including a brutal assassination that propelled Europe into the greatest conflict the continent had ever known. The murder of Archduke Franz Ferdinand outraged Austria-Hungary. ... Austria-Hungary was furious and, with Germany's support, declared war on Serbia on July 28.
Answer:
c. It favors Democratic candidates but also donates to Republicans.
Explanation: is correct
It helped them understand things that helped their literature.