How did slavery impact the development of the american government

Slavery existed in the United States even before it gained its independence. The founders included several provisions in the Constitution to protect slavery. Presidents before Abraham Lincoln were slaveholders, in exception of George Washington. Politicians who were slaveholders or have interests in slavery held great power in the U.S Congress, and they fought long and hard to preserve the institution of slavery in the United States until the Civil War. 

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