Complex sentence: More specifically, wars of national liberation can refer to those fought during the decolonization movement, primarily in the third world against Western powers and their economic influence, and was a major aspect of the Cold War.
Split into simpler sentences: More specifically, wars of national liberation can take many forms, especially those fought during the decolonization movement. The struggle of these movements primarily took place in the third world against Western powers and their economic influence, and was a major aspect of the Cold War.