Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1950 Bombay Province was reorganized into Bombay State , which included the princely states formerly under the political authority of Bombay Province ; these princely states were merged into the new state after their rulers acceded to India .
Simplified: In 1950 Bombay Province was reorganised into Bombay State , which included the princely states .