They can both digest but in different ways.
"The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain."
The delegates argued about many things.One of the main things was if slaves counted as part of the population.I the north they didn't have much use for slaves.If slaves counted for the population then there wouldn't be many northern representatives.The south however had a major use for slaves.If slaves counted for them then they would have many representatives.
The groups that would be excluded from this widening of political opportunity would be any group that is denied the right to vote, whether this means they are oppressed or in prison, etc.