One of the reasons for the lack of indian unity in fighting europeans was, that the indians were descended from different peoples who came in different waves of immigration.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow