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How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?

The nile river is referred to as the giver and taker of life. explain what this means.