Answer:
b) germany's secret request that mexico join the war against the united states
Explanation:
Over his life attila battled the romans and the chinese. he used raid tactics to burn down small villages then when the lords of the lands he was raiding sent their army he would use every dirty tactic in the book. poison, night raids, anything to win.
i would say A).Simon Bolivars death. because i believe he had something to do with the colonization of Latin america and when he died then people gained independence.
Hope this helps