Part I $-$ Exponential Growth

The graph of human population in Figure $1\mathrm{.}1$ shows the population growth on planet Earth over the past $12,000$ years. Up until the $1700s,$ growth rate had been fairly slow, but afterwards, the rate greatly accelerated. What changed in society around this time that accounts for more rapid population growth?

$2$

Figure $1\mathrm{.}1.$ Grapn snuwing worlu popurauon growin over tne past o$,$uvu years. $($rei$22967\_01\_20)$