 Complete the following phrase:  In 1997, the Left, sitting in parliamentary opposition, further gained power in effectively paralysed the right-wing parties attempts to pass the more conservative bills to be part of the Constitution. The left successfully pressured the PMLN to move with a proposal of conducting the countrys first nuclear tests in response to Indias nuclear tests in 1998. Disturbance in civil-military relations in 1999 led to the 