The correct answer is <span>A. By approval of conventions in three-fourths of the states
The most common way is the third one, three-fourths of state legislatures and a supermajority of the congress approves it, however, only once the first method was used. It is a legitimate option outlined in the constitution. The congress can call for national conventions which can pass the amendment but this doesn't happen often.</span>
A primary source gives us first-hand information. it states the automatic facts, and not what has been heard through a second-hand information (sencondary source). it provides information like: direct or firsthand evidence about an event, object, person, or work of art.
and examples are: eyewitness accounts, results of experiments, and statistical data
