Complex sentence: In response, on 13 June, the Egyptian Parliament broke off diplomatic relations with Italy but also announced that they would not enter the war unless attacked; in September 1939, the Egyptian government had done the same with Germany.
Split into simpler sentences: In response, on 13 June, the Egyptian Parliament broke off diplomatic relations with Italy but also announced that they would not enter the war unless attacked. In September 1939, the Egyptian government had done the same with Germany.