Which animals were europeans introduced to during the columbian exchange

The Columbian exchange started with the discovery of the New World by Christopher Columbus in 1492. The exchange brought and introduced new plants, food, animals and diseases. European introduced horses and cattle like pigs, oxen, dogs, donkeys, sheep, and goats. Europeans found turkey, llamas, alpacas, and guinea pigs in the New World.  

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

its c