What category does Stronger Federal Power go under

Articles pf confederation, U.S. Constitution or both

Stronger Federal Power is a category that falls under the U.S. Constitution. The Articles of Confederation, which were the first governing document of the United States, established a weak form of federal power. However, the U.S. Constitution, drafted in 1787 and ratified in 1789, sought to establish a stronger federal government with more centralized power.