How did Germany excuse its invasion of the Czechoslovakian region known as the Sudetenland in 1938?
A) The region was home to German-speaking people.
B) Hitler was born there and wanted it part of Germany.
C) The region was home to anti-German nationalist groups.
D) Czech officials had been planning an invasion of Germany.

Francine, a college freshman, has agreed to participate in a psychology research study. before she begins her participation, she reads a statement written by the researcher explaining the purpose of the research and the potential risks of participation. it also explains that francine is free to withdraw from the research at any time. in providing francine with this statement, the researcher has followed the ethical guidelines of for participants.