Complex sentence: The Khan of Kalat, Ahmed Yaar Khan choose independence as this was one of the options given to the princely states'in april 1948 however Pakistan mobilized it's armed forces and deployed them in Kalat, and the Khan was forced to accede to Pakistan.
Split into simpler sentences: The Khan of Kalat, Ahmed Yaar Khan choose independence as this was one of the options given to the princely states. In april 1948 however Pakistan mobilized it's armed forces and deployed them in Kalat, and the Khan was forced to accede to Pakistan.