Complex sentence: A subjective description of influential second-tier states that could not quite be described as regional powers, but exert a strategic degree of influence within their region, such as Indonesia, Israel, Pakistan, Netherlands, South Africa and Argentina.
Split into simpler sentences: A subjective description of influential second-tier states that could not quite be described as regional powers, but exert a strategic degree of influence within their region. Such "middle powers" are Indonesia, Israel, Pakistan, Netherlands, South Africa and Argentina.