Final answer:
The historical or contextualist approach in studying international relations focuses on the historical and cultural contexts, utilizing primary sources and accounts of key figures.
Step-by-step explanation:
The approach to studying international relations that emphasizes the reading of history, memories of statesmen, and statements of statesmen is known as the historical approach or contextualist approach. This method involves a deep dive into the historical and cultural contexts in which international relations occurred, aiming to understand how past events and thoughts of influential individuals have shaped present circumstances. By examining primary sources like memoirs and official statements, as well as the broader socio-political environment, scholars using this approach seek to glean insights into the motives and strategies that have influenced global interactions.