From Europe to Africa: rum, weapons, manufactured goods
From Africa to the Americas: slaves
From the Americas to Europe: raw materials, sugar caned, etc.

Our world became globalized when people started sailing across oceans so we can be connected to the rest of the world. It effected the world in a way that everywhere is connected and everyone is connected.

They are from the old world and they are describing the Aztec capitol.

Christopher Columbus is describing the Americas he  is writing it to the king and queen of spain.

I think it is true, the organisms really shaped history and had a huge effect on the world.