Compared with the governmental structure laid out in the Articles of Confederation, the central government of the United States under the Constitution had

This option is incorrect as the Constitution actually increased the federal government's powers in these areas. Under the Articles of Confederation, the central government lacked the authority to tax and depended on states to provide troops, leading to inefficiencies and weaknesses in times of crisis.

The mechanism for allocating voting power changed significantly under the Constitution. The Articles provided each state with one vote regardless of size, while the Constitution established a bicameral legislature with representation based on population in the House and equal representation in the Senate, reflecting a blend of state interests and population.

While both documents allowed for the conduct of war, the Constitution provided a more structured approach by giving Congress the explicit power to declare war and raise armies. This contrasts with the Articles, which required state consent and cooperation, often leading to delays and inefficiencies.