The theory of Rimland was presented by:
ANicholas Spykman
BAlfred Mahan
CNone of these
DHalford Mackinder
Correct answer
A. Nicholas Spykman
Explanation
Nicholas Spykman developed the Rimland theory, which emphasizes the geopolitical importance of the coastal regions (the Rimland) surrounding the Eurasian heartland. Alfred Mahan focused on sea power, and Halford Mackinder is known for the Heartland theory. Thus, “None of these” is incorrect.