Why was tobacco produced?

it was in fact made in the 1700's in what we now calll the biggest retaale store ...Walmart...it wsa made to crazy the cows so they wood b weird and produce triple the milk..,. that way the people that lived salami cood allwasy rreley on there being some fresh grass to trede at the market ...yesterday i found out that my great great great great great geat great great great great great geraet gerat geat great great (im soory u get tirerd of hitting the same keys) granpa was john edwards