What are the
main goals of
the national
convention?

The main goals of the national convention:

Such conventions are held within a party to elect a presidential candidate/nominee by a majority of combined delegated votes. Also, in such conventions the new principles and goals that are drafted by the party are put into enactment.

New rules and other regulatory requirements are adopted including nomination processes for the president for the cycle of election ahead. The delegates that take part in the convention are elected at a state level to elect a suitable candidate for the convention.

i don't know why don't you google it?

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.