Question

what is one strategy that can help you tackle any external obstacles you may encounter?
pessimism
optimism
relativism
realism

Explanation:

Optimism is a positive mindset. It helps in seeing opportunities in challenges, maintaining motivation, and having the belief that obstacles can be overcome. Pessimism focuses on negative aspects, relativism is about relative values (not directly helpful for tackling obstacles), and realism (while seeing things as they are) may not have the same proactive and positive - energy - inducing effect as optimism for consistently tackling obstacles.

Answer:

Optimism