Answer:
Fear of Strong Central Government
The Articles made the national Congress weak on purpose. Having just won independence from Britain, many Americans feared that creating a strong federal government with too much authority over the states would only replace King George III with another tyrant. Instead, they envisioned Congress to be a supervisory body that would tie the states loosely for the common good. The early United States was thus a Confederation of nearly independent states, not the solid federation with a strong government that it is today. The states were in many ways like individual countries bound together to keep Britain at bay.
Americans were especially afraid of Federal Taxes. Remembering the “No taxation without representation!” cry from the Colonial era, they stipulated that only the individual states could levy taxes. This system proved to be a completely ineffective way of bankrolling a federal government, and in fact, many of the states refused to pay their fair share. Most years, in fact, the Congress received less than a third of what it asked for from the states. Moreover, Congress had been granted No Rights To Control Interstate Commerce. States were thus given a free hand to draft conflicting and confusing laws that made cross-border trade difficult.