PRESENTATION OUTLINE
Phosphate:
a chemical or natural substance added to soil or land to increase its fertility.
Transcontinental railroad:
A transcontinental railroad is a contiguous network of railroad trackage that crosses a continental land mass with terminals at different oceans or continental borders.
Mill villages:
A mill town, also known as factory town or mill village, is typically a settlement that developed around one or more mills or factories.
Textiles:
a type of cloth or woven fabric.
