Where did the Oregon trail begin and where did it end

Which statement best completes the diagram of the ways the different branches of government can limit each other's powers?

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.

Some european explorers sailed west looking for the passage to india