The Okanogan Highlands, in the northeast, are an extension of the Rocky Mountains
Cascade Mountains
Canadian Mountains
Columbia Basin

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.