Complex sentence: This was the background for the dispute which led to the Altalena Affair, when following a confrontation regarding the weapons it brought resulted in a battle between Irgun members and the newly-created IDF.
Split into simpler sentences: This was the background for the dispute which led to the Altalena Affair, following a confrontation regarding the weapons purchased by the Irgun. This resulted in a battle between Irgun members and the newly created IDF.