No, developed countries aren't facing the challenge of hight birth rates, instead, they are facing problems like: corruption, bad policies, and lack of infrastructure along with conflict from other countries or within their own.
The event that formed the alliance was the Pact of steel
Answer:
The first sentence:
"Californians care more about the environment than anyone else in the world"
because it is a blatant opinion full of loaded words and a superlative.
