I think they use the term Historiography for this.
Historiography is the study methodology in which historians developed history as one academic discipline Basically, the scholars of historiography use various techniques and sources to determine the true event of the history
Martin Luther King was visited India in 1959 to understand Gandhiji's Satyagraha Mowement .He used Gandhiji's non violent methods of protest demanding for equality of blacks in the USA.