Great Plains is the in western and central portions of the U. S.

b. germany and italy

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

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.