Complex sentence: In recent times, major conflicts in the form of two World Wars have spurred European strategic thinkers such as Liddell Hart, and later, Andre Beaufre, followed by the Cold War, which led to a host of American thinkers contributing to the basic theory.
Split into simpler sentences: In recent times, major conflicts in the form of two World Wars have spurred European strategic thinkers such as Liddell Hart, and later, Andre Beaufre. The Cold War led to a host of American thinkers contributing to the basic theory.