In the context of the human relations approach to argued, that people try to satisfy their lower-level needs and then progress upward to the higher-level needs.

The correct word for the blank space is: Abraham Maslow.

Explanation:

American psychologist Abraham Maslow (1908-1970) proposed the "Hierarchy of Needs" to explain human beings must satisfy their basic needs so they can fulfill less important necessities. If the first ones were not achieved, the latter ones could not be satisfied. Maslow summarized individual needs in five categories in the following order:

1) Physiological needs: food, water, and shelter.

2) Safety needs: personal security, health, and employment.

3) Love and belonging: friendship, family, and sense of connection.

4) Esteem: respect, recognition, and self-esteem.

5) Self-actualization: wish for self-improvement.

the answer to this question would be shared investment

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