India in not the lowest but within probably the lowest 20.
Pinochet was a dictator.
Musharraf was accused of plotting to kill Bhutto.
The negotiations led to blacks being able to vote for the first time (suffrage).
The last one is a toss-up between A or D.
There's nothing a government can do to clean it up as long as 100 million
people keep dumping in it, and that will continue until an alien life form
spontaneously rises out of its sacred waters some moon-lit night and
terrorizes some town's people.