 Complete the following phrase:  In 1801, the Russian Empire had sworn in a new tsar, Alexander I, who was eager to expand Russias control over its neighboring territories. A few years previously in Iran, Fath Ali Shah Qajar also became the new shah after the assassination of his uncle, Agha Mohammad Khan Qajar, in 1797. During his reign, Agha Mohammad Khan had defeated and re-subordinated the AfsharidSafavid vassals and subjects in the regions of modern-day Georgia, Armenia, southern Dagestan, and Azerbaijan, and claimed those areas as rightfully belonging to Persia. During and after the 