Complex sentence: By the close of the 19th century the Chitrapur Saraswats were an educationally advanced community and the cotton boom resulting from the American Civil War (1863--64) helped them secure positions in cotton business and industry at Kumta, Hubli, Dharwar and later Bangalore.
Split into simpler sentences: By the close of the 19th century the Chitrapur Saraswats were an educationally advanced community. The cotton boom resulting from the American Civil War (1863--64) helped them secure positions in cotton business and industry at Kumta, Hubli, Dharwar and later Bangalore.