Final answer:
According to Maslow's theory of the hierarchy of needs, people cannot achieve self-actualization without first satisfying their lower-level needs.
Step-by-step explanation:
According to Maslow's theory of the hierarchy of needs, people cannot achieve self-actualization without first satisfying their lower-level needs. Maslow's hierarchy of needs is a pyramid that includes physiological needs at the base, followed by needs for safety, love and belonging, esteem, and self-actualization at the top. Each level of needs must be met before an individual can move on to the next level and ultimately reach self-actualization.