World War I and II. These wars caused lots of economic growth and development because there was a pressure to create better inventions. Having better technology could mean the win or lose of a war. :D
Potatoes need sun, water and soil
A and E are the correct answers. Bulgaria and Albania are by Macedonia, meaning its by the old Yugoslavia, witch also means its more south of Europe. Croatia is part of what was Yugoslavia, making it too far south.
Stage 2 because thats when it starts to form like a rope apperance