Which is a method of formal amendment? A. An amendment is proposed by a national
convention called by Congress at the request
of one third of the Statellegislatures.

B. An amendment is proposed by Congress and
ratified by conventions called for that purpose
in one half of the States.

C. An amendment is proposed by a national
convention and then ratified by conventions in
one fourth of the States.

D. An amendment is proposed by a two thirds
vote in each house of Congress and then
ratified by three fourths of State legislatures.