Each state only had one vote in Congress, regardless of size. Congress had not have the power to tax. Congress did not have the power to regulate foreign and interstate commerce. There was no executive branch to enforce any acts passed by Congress.
The Articles were the first constitution of the United States after the revolutionary war. They provided for a very weak national government in response to the tyranny of great britain which did not allow the national government to tax or control the acts of the state governments. This led to the nation being run by individual state governments, inhibiting trade, national protection, and infrastructure
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.</span>