Which statement is most accurate about national conventions apex

The statement that is so accurate and reliable about national conventions is that if the results of the initial convention voting do not proclaim or show a majority votes, representatives or delegates from any parties can change their votes immediately.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

its c not d   tell me if that´s correct