The image shows a map of the number of operating spindles in 1840. A map of the number of operating spindles in the U S in 1840. Based on the map, what was an effect of the regional economic structure?

Which sentence is true about preconception care? a. women who are thinking about having a child should not worry about preconception care as it is unnecessary. b. preconception care is health care you receive after you get pregnant.c. it is aimed at finding and taking care of problems that could affect you or the baby during pregnancy and steps to reduce birth defects. d. it will involve taking medication and a strict diet and exercise plan.