“Southwest Asia: Pakistan, Afghanistan, Iran, Iraq, and the oil-bearing states bordering what now must tactfully be termed simply 'the Gulf,' all constituting a politically seismic zone of incalculable explosive potential.” Campbell later gave a similar definition: “'Southwest Asia' includes everything from the eastern
The answer is D. The theory of continental drift more or less states that the continents move apart, so in order of most 'together' is B, C, A. The answer that corresponds is D.
