Random attacks by Indian tribes. The frontier had swamps-to-mountainness terrain. Seeds didn't work in all parts of America, some lived healthy in one area while the same seed could die somewhere else there.
I would try to help by sending food and water and trying to fix the problem on why they are on strike
Answer:
Despite their geographical proximity, Japan and China are very different countries, with unique historic, political and social features. While China is one of the largest communist countries in the world, Japan is a – rather open – parliamentary constitutional monarchy.