The correct statement regarding the difference between the Articles of Confederation and the Constitution in terms of central/national government is:
b. Constitution created a strong central government; Articles created weak central government.
Under the Articles of Confederation, the national government had limited powers and was largely dependent on the states, resulting in a weak central government. In contrast, the Constitution established a stronger federal government with the power to tax, regulate commerce, and enforce laws, thus providing a more effective national framework for governance.