"Workers of the world, unite!" or more accurately translated "Proletarians of the world, unite!" is a slogan that holds meaning for laborers who were encouraged to unionize in order to use the strength of their numbers to obtain better conditions.
Embargo act and transportation
That is correct.
Crops like sugar cane, tobacco, and cotton needed lots of physical labor to plant and harvest them. Large plantations used slaves for labor.
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Answer:
the River that homes many salmon is the Columbia River
