What major speculation must uniformitarians make when studying geology?

They must speculate about the nature of the worldwide flood.

Explanation:

e. all of em

~courtney

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.