What external forces shape earths surface? ?

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.

How did the nazis lead germany to war in europe and, with their collaborators, kill millions—including systematically murdering six million jewish people?

Any study/memorization tips? i have exams in a week and it would be great to try suggestions!you ; )