I think It always been like that in temperate climate.

Growing enough food to survive a year is the easy part, preserving it so you still have food to eat at the end of winter is the hardest and most time consuming part.

Poly tunnels can help grow small-scale crops well into the spring and fall. An earthen greenhouse can do so year round even in places where it gets to -40℃.

That's why I also have a slingshot