Answer:
they found a daunting range of mountains that took weeks to cross.
Explanation:
By the time they arrived at the ocean, Lewis and Clark knew that the Northwest Passage did not exist.
Jim Crow Laws began with taking away voting from African-American then became a segregation between blacks and white.
As part of his Reconstruction plan, President Johnson thought the South should be treated relatively fairly, compared to how the radicals in Congress thought they should be treated.
The greatest change in the West that was brought about by railroad expansion was a drastically increased population size, since people could now claim land and travel far more easily.
