According to the speaker, Who were the “miserable wretches”? What were the two things they did to Mexico?

Destroyed Europe--the ape is representing Germany and he has taken a lady (representing liberty) is the answer.

Destroyed Europe--the ape is representing Germany and he has taken a lady (representing liberty). He is stepping onto the shores of America with Europe in the background destroyed.  

This poster encourages support for US entry into World War I to protect the values of liberty in America. It suggests that Germany is made with power and will not stop with Europe but will continue to the US to destroy America as well.

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