Besides connecting the eastern united states with the western united states, the transcontinental railroad was also instrumental in

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without

small european communities with shared traditions consolidated into large new states (apex)