The Japanese counterattacks against the American beachheads, as well as the fierce fighting, had exhausted the Japanese.
The attacks against the American beaches, as well as the violent fighting, had tired out the Japanese.
The attacks against the American beaches, as well as the violent fighting, had tired out the Japanese.
Make the sentence simpler: The Japanese counterattacks against the American beachheads, as well as the fierce fighting, had exhausted the Japanese. Output: