What impact did the lewis and Clark expedition on the pacific northwest at least 5 pieces of information? if you don't know don't answer, please

most of the knowledge we have of the conflict comes from roman-jewish scholar titus flavius josephus, who first fought in the revolt against the romans, but was then kept by future emperor vespasian as a slave and interpreter.

it's lower nubia : ) good luck

is this question from a book? ?