What did Lewis and Clark and Sacajawea accomplish to contribute to the idea of Manifest Destiny

What triumphs did the late 19th century witness in the realms of industrial growth, urbanization, and technological innovation? what challenges did these developments pose for urban dwellers, workers, and recent immigrants? how did city officials and everyday citizens respond to these challenges?

Don’t mind the already marked answer but taking it now

Which statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty