According to the opening of jane austen's pride and prejudice, an eighteenth century english woman's main prospect was

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.

the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity