Where can the strengths of the articles of confederation be seen in the constitution

There were many strengths in the Confederation article that was seen in the constitution like Establishment of Departments, separately for war treasure, social affairs, Foreign Affairs, and marines.

Explanation:

Providing amenities as well as privileges to all citizens free by the government of the state was another strength of Confederation, that was adopted another advantage adopted by the North West States.

Also allowed to have a government of their own. So they can think of progress separately.