Globalization you said it in you question
There are many techniques that can contribute to the memorability of a speech, for example stressing the main points and explaining them well, linking the ideas in a logical way and providing a strong conclusion.
One technique that does not support memorability is shouting loudly key words: they might remember you but not the content of the speech.
Migration Out of the Plains during the Depression. During the Dust Bowl years, the weather destroyed nearly all the crops farmers tried to grow on the Great Plains. ... Many once-proud farmers packed up their families and moved to California hoping to find work as day laborers on huge farms.
Potatoes were the main source of food. Without the main source of food, many people starved to death.
