“Each state retains its sovereignty, freedom, and independence, and every power, jurisdiction, and right… The said States hereby severally enter into a firm league of friendship with each other, for their common defense, the security of their liberties, and their mutual and general welfare…”—United States Articles of Confederation, 1781 Based on the quote, which issue likely concerned its authors?

The state governments having too much power
Establishing efficient government services
Establishing unity among state governments
The central government having too much power