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.
Answer:
Between 1870 and 1900, the largest number of immigrants continued to come from northern and western Europe including Great Britain, Ireland, and Scandinavia. But "new" immigrants from southern and eastern Europe were becoming one of the most important forces in American life.
Explanation:
