He/she is the head of the party.
No, they have to be of the same political party.
It is the name of a political party in Mexico (Partido Revolucionario Institucional - Institutional Revolutionary Party).
to be head of the political party
Progressive party
Democratic Party
Democratic party
term for the president as the leader of his or her political party.
President Washington did not belong to any political party because political parties did not exist when this nation was founded.
Please specify which president.
The Institutional Revolutionary Party
President François Hollande belongs to the Socialist Party