Which was a power reserved to the states under the articles of confederation?

Any amendment required unanimous consent of the states.

Explanation:

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.

they usually pass federal laws

and sometimes in the elections of the president