John Maynard Keynes and Karl Marx would agree most about the answer to
which question?

Should governments take total control over economies?

Explanation:

that's right

do free market economies create problems for workers?

Explanation:

look at the image

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.