Help with number 12 please

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

Which of the following is not part of the constitution

The banking act of 1933, also known as the glass-steagall act, established the federal deposit insurance corporation (fdic), which a protected banks from failure by ensuring that the government would bail them out if necessary. b required american taxpayers to establish an account with a commercial bank. c protected depositors from financial losses when banks failed.