Final answer:
The Phoenix Program's major weaknesses were a lack of actionable intelligence and corrupt ARVN officers with undisciplined troops.
Explanation:
The two major weaknesses of the Phoenix Program were:
- Lack of actionable intelligence: The program struggled to gather accurate and timely information to effectively target the Viet Cong.
- Corrupt ARVN officers and undisciplined troops: The South Vietnamese soldiers lacked confidence in their government and often performed poorly in combat situations.
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