Complex sentence: From this position, Botsis oversaw the construction of the Baltic galley fleet, and in 1705, he helped General Robert Bruce, the commander of St. Petersburg, to repulse the attacks by a Swedish army under General Maidel.
Split into simpler sentences: From this position, Botsis oversaw the construction of the Baltic galley fleet. In 1704-1705, he helped General Robert Bruce, the commander of St. Petersburg, to repulse the attacks of a Swedish army under General Maidel.