After spending the winter in Vinland, Leif sailed back to Greenland, and never returned to North American shores. He is generally believed to be the first
Innovations in farming techniques that led to great productivity.
1.- <em>Three Point Linkage</em>. Developed by Harry Ferguson, this invention raised or lowered the plough, depending on the depth farmers wanted to dig.
2.- <em>Genetical Modified Corps</em>. Scientist isolate genes with some desirable traits to improve the quality of the plant.
3.- <em>Fertiliser Deep Placement.</em> A new form of fertiliser that increased the Yields.
4.- <em>New Feeding Methods</em>. Blending different components of food to improve the quality of nutrition.
You can talk about the boarder crisis along the Estonian boarder and Russian boarder. The is called a crisis because there is a tradition steeped kingdom called the Seto caught directly in the middle of it(their kingdom is split half and half).
I think D if I’m wrong I’m so sorry