Question

what are external obstacles?
anything that happens around you that divides your attention from working toward your end goals.
challenges that you have to process internally like anxiety and doubt
not having enough money to complete the task assigned to you
balancing your family and social relationships

Explanation:

External obstacles are external factors. "Anything that happens around you that divides your attention from working toward your end goals" refers to external distractions. "Challenges that you have to process internally like anxiety and doubt" are internal. "Not having enough money to complete the task assigned to you" is a specific financial external obstacle but the first option is a more general and comprehensive definition of external obstacles. "Balancing your family and social relationships" is more about time - management and relationship aspects rather than a general definition of external obstacles.

Answer:

Anything that happens around you that divides your attention from working toward your end goals.