Which outcome primarily facilitated the construction of the steeply angled Egyptian pyramids using levers?

💡 Explanation

When moving massive blocks, levers amplify applied force over a short distance because of the principle of mechanical advantage, enabling workers to lift or move stones exceeding their direct strength. Therefore, force amplification resulted, rather than friction reduction, distance minimization, or coordination, which address logistical but not force requirements.

• Which risk intensified during prolonged Roman sieges when defenders used scorpions (torsion siege engines)?
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