why was it critical for good pioneer trails going west to have a decent route through the Rocky mountains

Afamous line of latitude is the north pole. true or false

What is the focus of article 1 of the constitution? describing the powers and structure of the legislative branch defining bicameral and unicameral houses explaining the veto and override processes reviewing the executive branch of the government

Why didn’t the portuguese have access to the territory that is present-day latin and north america