Improvements in transportation led to lower shipping costs for goods fewer settlers moving westward increased communication times higher prices for empty lands

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation. b. potential benefits justify the risks of harm. c. the study makes a significant contribution to generalizable knowledge. d. risks are managed so that they are no > minimal.

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 most likely contributed to the outbreak of world war ii? a. embargoes on international trade b. higher tariff rates in european countries c. sanctions imposed by the united states d. global economic depression