The definition of human geography as "the study of the changing relationship between the unresting man and unstable Earth" is attributed to Ellen Churchill Semple.
This definition reflects the concept of environmental determinism, a school of thought prominent in the early 20th century, heavily influenced by Semple's teacher, Friedrich Ratzel.
Therefore, Ellen Churchill Semple provided the stated definition.
Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:
Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?