Why was knowledge of Vinland lost in Europe, and after it was, why were there no more expeditions to check if there was something just on the other side of Greenland in the following ~500 years?

by amennen
hillsonghoods

There's a recent answer to a similar question by /u/platypuskeeper here, which mentions a previous answer by /u/y_sengaku whose post here is also worth reading. Hope that helps!