 Complete the following phrase:  The Soviet annexation of some 51.6 of the territory of the Second Polish Republic, where about 13,200,000 people lived in 1939 including Poles and Jews, was an important event in the history of contemporary Ukraine and Belarus, because it brought within Ukrainian and Belarusian SSR new territories inhabited in part by ethnic Ukrainian and Belarusian people, and thus unified previously separated branches of these nations. The 