Final answer:
The success of Uniqlo's retail stores can be attributed to locating in high population density areas and becoming the world's number one apparel retailer.
Step-by-step explanation:
The success of Uniqlo's retail stores can be attributed to its decision to locate in high population density areas and become the world's number one apparel retailer. By locating in high population density areas, Uniqlo was able to reach a larger customer base and increase its sales potential. Furthermore, by becoming the world's number one apparel retailer, Uniqlo gained a strong brand reputation and attracted more customers.