Which risk increased for the Byzantine Empire when tributary payments failed to reach frontier allies?

💡 Explanation

Barbarian raiding increased because of bribery failure; the *payment mechanism* maintaining peace among frontier tribes lapsed. Without payments, raiding became more attractive, therefore border security declined, rather than purely economic or domestic unrest being caused.

• Which outcome results in early bronze cannons when atmospheric moisture exceeds limits during long-term storage?
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• Which outcome occurred when a Roman siege ramp's mud-brick layer lacked quick drainage during a rainstorm?
• Which crucial consequence threatened Viking longship-supported pontoon bridges during North Sea crossings?
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• Which outcome occurs when terrace drainage in ancient Bannockburn earthen forts overwhelms their structural capacity during intense rainfall?