Answer:
A) They were unsure they could protect themselves if attacked by larger nations.
The main reason why European nations formed alliances in the early 1900s was that "They were unsure they could protect themselves if attacked by larger nations," since nationalism had caused nations to develop an "us vs. them mentality".
It's too short. Write at least 20 characters to explain it well. Your answer can't be empty
Answer:John Locke
Explanation: hope this helps
i wanna say B is the inncorect one:)
Explanation:
