worried about the large expat german community in iran undertaking espionage and subversion activities, on 19 july a joint soviet/british demand was made to persia to expel all german citizens. it was rejected on 29 july and renewed on 16 august, this time in coordination with the americans at a conference on 9–12 august 1941. persia eventually agreed to the demand, but by 25 august, anglo-soviet forces invaded the country.