Who the northwest coast people traded with and what they exchanged?

Why were cities valued as laborers in coal mines during the industrial revolution? In ancient China workshops burial grounds and homes of workers were usually located where? Who was Stonewall Jackson married to? What checks and balances are placed on the legislative branch by the other two branches of the govornment? The most famous visitors to Kublai Khan's china was? Who had a higher population during the civil war north or south? Where was the Kushite city of Mero? Where does the last name Stephenson originate from? Why was the potsdam conference called the 'bad tempered' meeting? What was the contribution of the Phoenicians to the development of writing? What group excluded Jews from the German citizenship? Where did Clara Barton get medical supplies? Is ZARA owned by Jewish people? Where can one find articles from the Daily Mirror? The most important crop raised in Cuba before the fall of the Soviet Union was? Why was Cleopatras needle built? Is it true or false that Mesopotamia is considered the birthplace of the plow? Was huey long a preacher? Why did john wycliffe believe was the path to god? What is Catherine the Great known for?