D.—Same as C., but no, or infrequent Constitutional Conventions:

Louisiana, two-thirds, biennial, no Constitutional Convention.

Texas, two-thirds, biennial, no Constitutional Convention.

Maryland, three-fifths, biennial, 20 years interval between
Constitutional Conventions.

E.—Difficult States:

Alabama—Legislature: three-fifths vote of one Legislature (quadrennial). People: Majority of all votes cast at the election.

Iowa—Legislature: Majority of two Legislatures (biennial). People:
Majority of all voting for representatives.

Minnesota—Legislature: Majority vote of one Legislature (biennial).
People: Majority of votes at the election.

New York—Legislature: Majority of two Legislatures (annual). People:
Majority voting on amendment.

Virginia—Legislature: Majority of two Legislatures (biennial).
People: Majority of people voting on amendment.