A preservation architect delivers an oral presentation on vernacular engineering along the Pacific coast of South America:
"When analyzing the historical survivability of coastal settlements in western South America, structural flexibility emerges as the defining factor. While rigid unreinforced masonry suffered catastrophic collapses during major seismic events, vernacular quincha structures—built from woven cane, timber frameworks, and earthen plaster—dissipated energy through dynamic deformation. However, the widespread shift toward concrete blocks in the mid-twentieth century was driven far less by structural necessity than by socioeconomic perception; earth-and-cane construction became unfairly stigmatized as temporary or synonymous with poverty. Today, as contemporary urban centers face both heightened seismic vulnerability and soaring carbon footprints from Portland cement, modernizing quincha with treated bamboo and bio-stabilized binders offers more than historical nostalgia. It demonstrates that pre-industrial engineering already solved the exact kinetic and thermal challenges that modern building codes continue to struggle with."
Based on the speaker's arguments, which conclusion regarding the contemporary revival of quincha is most strongly supported?
- AIts historical abandonment was technically justified because concrete structures consistently demonstrated superior seismic resilience.
- BIts primary benefit today lies exclusively in reducing the financial procurement costs of building materials for rural households.
- Its reintroduction is justified by structural performance and ecological viability rather than sentimental attachment to tradition.Answer
- DIts practical application in modern urban settings is unfeasible because vernacular building materials are fundamentally incompatible with contemporary construction codes.