Many different technologies, from wheel to firearms.
columbus
Columbus
Columbus didn't know that he brought microbes a long with his ships.
he brought back news
a horse
Water,
They were all cheering for Columbus and were exited to see what Columbus brought back from the new world
Technology
what is an example of lower production costs brought about by technology
horses became extinct in the us un'till columbus brought them back
he brought people
he brought some things