You means slaves? What time period?
He resisted calls to turn back and looking for the passage to the Pacific ocean, he took the passageway it was found.
Answer:
emma goss 2002 dont know relibitly sorry if wrong
Explanation:
Around 42% of the worlds lumber harvest goes to pulp and paper production. ^^ Glad I could help.
-Water ways were major improvements to the US to help w/ transportation.
-steam engines helped by allowing railroads to be built and transport items
-this allowed more jobs to be useful for the US to grow