Who is responsible for the naming of the americas?

History tells us, and has done for years, that the name of America came from one Amerigo Vespucci, a Florentine transatlantic explorer who was a navigator with Christopher Columbus in 1499, and the first geographer to realise that the Americas were separate continents.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

i believe he should not do investment b