What is the significance of the 14 amendment?

it granted citizenship and equal civil and legal rights to African Americans and slaves who had been emancipated after the American Civil War.

The amendment addresses citizenship rights and equal protection of the laws and was proposed in response to issues related to former slaves following the American Civil War.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers