Like all entrepreneurs, Columbus miscalculated the risks of his westward voyage. Many things could have gone wrong that would prevent Columbus from returning to Spain: getting  BIS central bankers’ speeches  1  lost, starving, shipwreck and mutiny.
In fact, Columbus had the confidence, tact and charisma to fend off a near-mutiny by convincing his crew that newly sighted birds and floating vegetation meant Asia was (literally) over the horizon. At the same time, all Ferdinand and Isabella risked was investment capital but could benefit tremendously from the upside potential.