Harvest Ship — Eero Tarik

The massive spaceship appeared out of nowhere and soon descended to hover over the east coast.Whilst the academics and military considered a response the bountiful harvest commenced. But the visitors were honest traders and they gladly left a very generous gift for humankind, one that would speed development. Sadly, for humankind, they couldn't read the instructions.
[ a classic sci fi short story of approx 3,500 words]