What is a national convention?

A convention of a major political party, especially one that nominates a candidate for the presidency.

Explanation:

The National Convention was a parliament of the French Revolution, following the two-year National Constituent Assembly and the one-year Legislative Assembly. Created after the great insurrection of 10 August 1792, it was the first French government organized as a republic, abandoning the monarchy altogether.

A nation convention is, a convention of a major political party, especially one that nominates a candidate for the presidency.

Explanation:

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.

c or d. good luck !