Original sentence: Japanese industrial production relied heavily on manufacturing facilities located near or intermixed with, residential areas, making it difficult to attack arms factories without killing large numbers of civilians
Edited sentence: Compounding the issue, however, is the fact that the Japanese industrial production relied heavily on manufacturing facilities which were located in close proximity to, and in many cases intermixed with, residential property, which eliminated or greatly hampered the ability to attack the Japanese war machine without affecting the Japanese near that industrial infrastructure ()