Which of these contributed to the decline of the Roman Empire? a
Political corruption and increasing wealth.
b
Attack from invaders and weak leadership.
c
Internal rebellions and uncertain leadership.
d
Increasing supplies of gold and declining roads.

Military defeats, internal rebellions and uncertain leadership

Explanation:

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.

(1)representation based on state population (2)all states have equal representation apex