As the united states became industrialized, an important effect of mechanization and the division of labor was that
a. smaller industries had difficulty maintaining their competitiveness.
b. the price of most manufactured goods increased.
c. the demand to improve transportation systems decreased.
d. pools and trusts became less efficient forms of business organization.

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.