principal cause

Examples (10)

• The principal cause of lung cancer is smoking.
• Economists identified rising inflation as the principal cause of the recession.
• Deforestation remains the principal cause of habitat loss for many species.
• Historians are still debating the principal cause of the empire's collapse.
• A faulty sensor was determined to be the principal cause of the system failure.
• Lack of communication is often the principal cause of marital problems.
• What was the principal cause of the widespread power outage?
• The investigation revealed several contributing factors, but there were two principal causes.
• While several factors contributed to the project's delay, the principal cause was a severe lack of funding.
• The report aims to pinpoint the principal cause of the accident.