However he is not the sole guilty party.
A sole party not assuming the hyphenated form keeps his or her original family name.
That article enthrones the Communists as the sole party and voice of the people.
Labour was determined to destroy the Liberals and become the sole party of the left.
But, he relied much more on the army for his support, and reduced the sole legal party to a symbolic role.
They returned to power in a 1968 coup and remained the sole party of government until the 2003 Iraq invasion.
If the buyer knows they are the sole interested party, they can call all the shots.
They don't want a situation where they are the sole party responsible.
As the sole political party in the state, its members quickly came to dominate the entire Sudanese parliament.
They were the sole legal party from 1947 to 1962.