The answer is 1501 AD - 1600 AD
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.
The purpose of the spoils system is to give your supporters political positions in various federal offices. To the victor go the spoils means that if you win, you can put all your friends or family members or party members at high positions because you control those positions. It's not a system based on merit which was introduced later, after Jackson's policies.