Hope vs. Defiance: A Comparative Corpus Analysis of Emotional Lexis in MLK’s I Have a Dream and Churchill’s We Shall Fight on the Beaches

Political speeches function not only as instruments of persuasion but also as powerful emotional artifacts that mobilize collective consciousness during moments of crisis and transformation. This study undertakes a comparative corpus-based analysis of emotional lexis in two iconic political speeches: Martin Luther King’s The American Dream and Winston Churchill’s We Shall Fight on the Beaches. Drawing on corpus linguistics and emotion-oriented discourse analysis, the research investigates how hope and defiance are linguistically constructed, foregrounded, and strategically deployed in American civil rights rhetoric and British wartime discourse respectively. Using a small, specialized corpus, the analysis employs Voyant Tools, AntConc, and Text Inspector to examine lexical frequency, keyword salience, collocation patterns, sentiment polarity, semantic fields, and evaluative language. The findings are expected to reveal significant contrasts in emotional framing: King’s discourse privileging optimism, moral aspiration, and collective uplift, while Churchill’s rhetoric emphasizes resistance, resolve, and national endurance. By integrating quantitative corpus techniques with qualitative interpretation, the study demonstrates how emotional lexis operates as an ideological and rhetorical resource in political leadership across cultures. The research contributes to corpus-assisted political discourse analysis, offering insights into the emotional mechanics of persuasion in canonical political texts