Why during Inca stone masonry was mortar unnecessary?

💡 Explanation

Inca architecture relied on dry-stone construction because precise cutting and fitting created aggregate friction during interlocking, which created stability; therefore, the structure self-supported well, rather than needing mortar for binding via adhesion.

• Which outcome limited the expansion of terrace farming by Andean civilizations despite its agricultural benefits?
• Which outcome occurred as medieval glassmakers improved lens grinding techniques?
• Which consequence occurs when terrace construction fails along ancient Andean slopes?
• Which consequence resulted when stored maize lacks proper aeration within Incan Qullqas?
• Which outcome occurred with early Chinese cast iron agricultural tools placed in acidic paddy fields?
• Which stability risk increased during the construction of Roman roads across marshy terrain?