Which of the following best describes why ethiopias resistance to Italian imperialism was successful?

Ethiopia relied on the Zulu nation in its conflict with Italy because Cetshwayo and menelik were Allie’s.
Ethiopia was only valued by Italy to keep other Europeans from taking over more valuable African land.
Ethiopia was never colonized because it arranged a mutually beneficial relationship with the Italians.
European alliance gave Ethiopia time and resources to build up its military and infrastructure.

European alliance gave Ethiopia time and resources to build up its military and infrastructure.