i) Long-Term Development Plans are economic development plans that spread over a number of years and are intended as the bedrock of achieving development objectives of a country.

ii) Guiding principles of a Long-Term Development Plan include:

• Capacity, ability, and social and political stability.
• Effective, reliable, pragmatic, flexible, legitimate, and well-implemented strategy.
• Identification of the core priorities of a country.
• Urgency, political will and drive;
• Public and stakeholders legitimacy;
• Should be devoid of strait-jacket economic ideologies and dogmas

iii) Reasons why earlier Long-Term Development Plans failed in Ghana include:

• Long period of military interventions.
• Lack of political will, drive, faith, urgency, and commitment.
• Absence of national ideological cohesion caused by inter-party and
  intra-party ideological cohesion;
• Improper planning and implementation.