It stripped the President of Pakistan of his reserve power to dissolve the National Assembly, and thereby triggering new elections and dismissing the Prime Minister.
Nawaz Sharif's government became increasingly unpopular after the passage of these amendments, even though it was the election of his Pakistan Muslim League by a heavy majority that enabled him to alter the Constitution in the first place.
A few months later, Nawaz Sharif's partisan stormed the Supreme Court of Pakistan and forced the resignation of the Chief Justice.
Amongst the Opposition, ex-Prime Minister Benazir Bhutto was one of the first leaders to congratulate General Pervez Musharraf for removing Nawaz Sharif.
The Supreme Court later validated the removal on the grounds that the Thirteenth and Fourteenth Amendments resulted in a situation for which there was no constitutional remedy.