Question

the authors of the articles of confederation established a decentralized political system mainly to:
promote the common goal of a representative government
prevent states from collected debt during the revolutionary war
prevent the abuses of power that had existed under british rule
promote expansion into western territories

Explanation:

The authors of the Articles of Confederation were wary of a strong central government as they had experienced the abuse of power under British rule. A decentralized system was seen as a safeguard against similar abuses.

Answer:

Prevent the abuses of power that had existed under British rule