Why did colonists feel the Articles of Confederation were necessary even though the Declaration of Independence was already written? The Declaration of Independence outlined a system of government but did not specify how much power that government could have. The Declaration of Independence determined individual rights but did not discuss how those rights influenced others. The Declaration of Independence called for a federal system of government but did not plan for the role of individual states. The Declaration of Independence outlined a relationship between individuals and the government but did not detail the power and control of that government