Mohammad Najibullah later intensified .
Mohammad Najibullah later broadened the proposals in 1987 and ended early in the 1990s to stop the Afghan civil war which had haunted the country since 1978 after the Saur Revolution .
Mohammad Najibullah later intensified and broadened the proposals in 1987 and ended early in the 1990s to stop the Afghan civil war which had haunted the country since 1978 after the Saur Revolution .