Which human reach apparently 40,000 year ago

c. Australia

Explanation:

Modern humans have been shown to have originated in Africa where they stayed until some 80,000 years ago when a lot of them left to go and colonize other parts of the world.

Around 40,000 years ago, some of these modern humans eventually reached Australia from South-east Asia and became the ancestors of the Aboriginal people.

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.

many women had to remain at home while husbands found work.

explanation: