Which process is associated with the cleaning and rehabilitation of slum areas?

Urban renewal is the process that focuses on the cleaning, rehabilitation, and revitalization of slum areas. This approach typically involves the redevelopment of deteriorated urban spaces, aiming to improve living conditions, enhance infrastructure, and create sustainable environments. Urban renewal projects may incorporate various elements such as housing upgrades, public spaces improvements, and community facilities that address the needs of residents while often displacing lesser-resourced communities. This initiative is crucial in striving for urban improvement and addressing social equity in urban planning.

Block-boosting, on the other hand, refers to practices that can reinforce socio-economic divides. Invasion relates to the unauthorized occupation of land, typically leading to conflict or further degradation of urban areas. Adaptive reuse involves repurposing existing buildings for new uses, which does not specifically focus on slum rehabilitation but rather on sustainability and preservation of resources. Therefore, urban renewal is distinctly aligned with the systematic approach required to clean and rehabilitate slum areas, making it the correct choice.