Complex sentence: But about 1638 King Ranga, a more resolute prince, succeeded to the throne of Chandragiri, and he soon resolved to put an end to the contumacy of Tirumala and prepared to march south with a large and formidable force.
Split into simpler sentences: But about 1638 King Ranga succeeded to the throne of Chandragiri, and resolved to put an end to the contumacy of Tirumala. Ranga prepared to march south with a large and formidable force.