How is caucus diffrent from a nominating convention

Convention: Once the primaries and caucuses are completed in each state, a national convention is heald in which a party's nomination for president is formally announced to the public. During the convention, the elected delegates cast their vote for a party candidate and the candidate with the most delegates gets the party's nomination.

Brainleist?

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.