For strong bones, girls need plenty of calcium and vitamin D and lots of physical activity every day. The amount of calcium in a food may be a little more or a little less than what is listed on this chart. This is because different brands sometimes have slightly different ingredients. Check the food label to see how much calcium is in the food. Aim for 1,300 milligrams or 130% of the % Daily Value (%DV) every day.
In the British colony of Carolina (located mostly in what is now modern-day South Carolina), black slaves worked on large plantations and soon grew to outnumber the white population of the region by two to one (Mason 2006).
Overall, the slave population in the South grew from 700,000 before Whitneyâs patent to more than three million in 1850âstriking evidence of the changing Southern economy and its growing dependence on the slave system to keep the economy running. Cotton cultivation proved especially well-suited to slave labor.