Complex sentence: China has a history of female infanticide spanning over 2000 years, with the arrival of christian missionaries in the late sixteenth century it was discovered female infanticide was being practiced, newborns were seen thrown into rivers or onto rubbish piles.
Split into simpler sentences: China has a history of female infanticide spanning over 2000 years. With the arrival of christian missionaries in the late sixteenth century it was discovered female infanticide was being practiced, newborns were seen thrown into rivers or onto rubbish piles.