This papers aims to illustrate the impact of decision making process and redevelopment strategies on the condition of two particular districts - Hill District and North Side - in the city of Pittsburgh, USA. The characteristic of each district in 1950 is summarized in SWOT analysis, on the background of analysis and real story I identificate cruel Key factors and Scenarios. One of this scenarios really happened. This method should illustrate controversy of some redevelopment interventions made and also uniqueness of each neighborhood.