How did changes in agricultural production affect medieval europe?

Find the answer in here Between the years 1050 and 1300, Europe underwent an agricultural revolution. Crop yields multiplied by at least threefold. Europe's population followed suit, tripling in less than three centuries. The average European lifespan increased by as much as two decades.

Search on the internet

Not sure if it’s within 12 months, but you could talk about the spreading of alt-right hate speech and whether that is covered by the right of freedom of speech? or, cover how during the midterm elections in some states many native american populations were declined to vote because they didn’t have the proper id, despite being citizens? also, the death of that journalist last month, who spoke freely and reported about the saudi government and how corrupted it is and was killed because of that (lack of free press/speech). just some ideas for this prompt, i hope at least one of them : )