Final answer:
John Albertson's primary focus for his career prospects and characteristics is exploring opportunities for entrepreneurship on a domestic scale.
Step-by-step explanation:
Based on the provided information, the primary focus of John Albertson's career prospects and characteristics would be exploring opportunities for entrepreneurship on a domestic scale. This is because the passage mentions Donald Clifton's research on strengths-based management, which emphasizes utilizing an individual's strengths. Since John Albertson's career prospects and characteristics are not focused on team management, establishing a global enterprise, or personal development within the current organization, the most relevant option is exploring entrepreneurship.