Explain the role of the united states in the global economy by 1920.

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

a widespread disease that killed many people

the split of the christian church

invasion from arab muslims