Final answer:
Older people must struggle to achieve integrity over despair in Erik Erikson's developmental stages.
Step-by-step explanation:
In Erik Erikson's developmental stages of life, older people must struggle with the challenge of achieving integrity over despair. This means that they reflect on their lives and either feel a sense of satisfaction or a sense of failure. Successfully achieving integrity allows individuals to look back on their lives with few regrets, while failure to achieve integrity can lead to feelings of bitterness, depression, and despair.