Answer:
The answer is number four.
Answer: True
Explanation:
So many countries were allied or opposed to one another that no one expected that there would be a war, especially the one with the horrific consequences of world war one.
ANSWER YALL:
ITS D LIKE IN DOG WOOF WOOF
EXPLINATION BOIZ:
The Delian League (or Athenian League) was an alliance of Greek city-states led by Athens and formed in 478 BCE to liberate eastern Greek cities from Persian rule and as a defence to possible revenge attacks from Persia following the Greek victories at Marathon, Salamis, and Plataea in the early 5th century BCE