The difference in the two is the agreement. The first one States which receive State-when the Declaration on this issue already. They have a bond that would have to give political rights to people of that State;
The differences in terms of both the first - when the state has been one of the Declaration states that it is committed to giving political rights to the people of that State.
The differences in the two terms.First - when any state one get to this declaration, the state that any obligation to make political rights to the people of the state.