Why is promontory point, Utah so important

Utah was the site of the dramatic completion, on 10 May 1869, of the first transcontinental railroad, which linked the Union Pacific on the east and the Central Pacific on the west. A giant crowd gathered to witness the final ceremonies.

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

what are the choices btw if it was me id say the lack of money to continue with education