The SLPP was outlawed , and its elites and supporters were physically threatened and barred from holding meetings .
In 1978 all SLPP MPs except one ( Manna Kpaka , MP in Kenema ) joined the APC .
The SLPP was outlawed , and SLPP 's elites and supporters were physically threatened and barred from holding meetings .
In 1978 all SLPP MPs except one ( Manna Kpaka , MP in Kenema ) joined the APC .