All of the above have played their own negative or positive role, over all the role in my opinion is positive.
If the xCJ had not campaigned, Mushe would still be here along with CH bros, there would had been no democracy, their would had been no PTI or PMLn.
The gov though not very effective, but still they managed to break the ice in Balochistan, which is much more peaceful now. Also they cooperated with army against TTP and the economic policies though not very strong but are still getting some results. Financially and socially we are much better than before, so the gov deserves it's own credit. Also this gov brought Gen Raheel, some cr for that as well.
PTI played a very negative role, especially the dharna fiasco, but due to PTI the gov always had to perform better.
Some individuals from the armed forced did try to destabilize the country, but many other fought at places like Waziristan, with militants that some other individuals from the same fraternity had brought up. The role in Karachi has been wonderful.
The electronic media was also behind xCJ, the movement that brought the real change, even after that the are constantly doing some very fine work, although we all know that they need to be tied under some rules and regulation, that is gov responsibility.
That is why in my own opinion all the parties have played their own positive role.
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