Final answer:
The U.S. Equal Employment Opportunity Commission (EEOC) is responsible for issuing decisions on EEO complaints, working to combat and prevent discrimination in the workplace based on various protected characteristics.
Step-by-step explanation:
The organization responsible for issuing decisions on EEO complaints is the U.S. Equal Employment Opportunity Commission (EEOC). The EEOC is a federal agency that enforces laws against workplace discrimination. Under the direction of figures such as Phyllis Ann Wallace and Eleanor Holmes Norton, the EEOC has taken significant steps to investigate employment discrimination and implement measures to protect workers from bias based on race, sex, age, and other protected characteristics.