What were some of the achievements of the national government under the Articles
of Confederation? What were some of the
weaknesses of the Articles of Confederation?

Under the Articles of Confederation the national government managed to achieve a variety of successes such as the creation of executive departments to administer finance, foreign relations, and military affairs but the most important achievement would be the Northwest Ordinance which guaranteed equal treatment for states new and old and also prohibited slavery within the territory.

It's weaknesses limited power so much that the government could not tax, force states to honor agreements, make laws regulating trade, and neither could they make laws to regulate the citizens.

Explanation:

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The first quartile, denoted by Q1 , is the median of the lower half of the data set. This means that about 25% of the numbers in the data set lie below Q1 and about 75% lie above Q1 . The third quartile, denoted by Q3 , is the median of the upper half of the data set.