Complex sentence: These railway lines and roads encouraged wealthier merchants to build villas on Salsette Island, and by 1901 the population of Salsette increased to 146,993 and the region began to be referred to as Greater Bombay.
Split into simpler sentences: These railway lines and roads encouraged wealthier merchants to build villas on Salsette Island. By 1901 the population of Salsette increased to 146,993 and the region began to be referred to as Greater Bombay.