C)Congressional state delegates were to be chose annually is true of the governmental structure set forth in the Articles of Confederation. This is exactly why they were seen as weak documents by the Federalists, because there was no bicameralism, no centralized government and no set of government branches, the Articles of Confederation (as they saw it) were merely set up to explain how to handle diplomatic relations.
New jersey plan is B
Virginia plan is A
Losing favor after 1828, the earliest method of nominating candidates for office was the legislative caucus. The correct option among all the options given in the question is option "A". The actual meaning of caucus in terms of politics is the gathering of supporters of a common political party. Although the term appeared in the United States of America, but later on it spread to other countries like Australia, Canada etc.
Answer: Mississippi River
Explanation: