Complex sentence: Demands from the Allies for the expulsion of German residents in Iran (mostly workers and diplomats) were also refused by the Shah; a British embassy report in 1940 estimated that there were almost 1,000 German nationals in Iran.
Split into simpler sentences: Demands from the Allies for the expulsion of German residents in Iran (mostly workers and diplomats) were also refused by the Shah. A British embassy report in 1940 estimated that there were almost 1,000 German nationals in Iran.