“Political Discourse Analysis” or “PDA” plays crucial roles aiming to embrace audience’s attention and motivation. By means of political discourse, the constructed contexts revealed the current information of matters purposively however the PDA isn’t the merely methods of how to comprehend political language being communicated.

This study aims to explore the US political speeches by two historical orators. The aim of the report is to analyze the selected political speeches by Martin Luther King, and the president of the USA, Barack Obama. The research questions are: 1) what are lexical features emerged from PDA and 2) What kinds of powers are reflected from the US political discourses. The result of the descriptive analysis divulges the similarity and diversity of the linguistic elements proposed through the three linguistic aspects: 1] cohesion, 2] pragmatic, and 3] power.  

The important textual examination in theses selected works is benefit for the variety of crucial linguistic elements interpreted and explained systematically. It is said that CDA directly proclaims various dimensions of political discourse.