What was one POSITIVE of US Imperialism?

What clause(s) expanded the power of the executive branch, especially relating to foreign policy?

Select the five weaknesses of the articles of confederation. congress could not declare war or establish an army. congress could not levy taxes. congress could not control trade. not all the states were represented in congress. no national court system. no executive to enforce the laws. congress could not negotiate with foreign governments. the national government could not borrow money. nine of the states had to agree to pass a law.

What was the purpose of the u.s navy's convoy system