Final answer:
The counterclaims to the claim that the Titanic was the greatest passenger ship of its era can be that the Lusitania was faster and sturdier, and that most present-day passenger ships are larger and have more features than the Titanic.
Step-by-step explanation:
The subject of the question is English. The question is asking for a counterclaim to the claim that the Titanic was the greatest passenger ship of its era. One possible counterclaim is that the Lusitania, which was built a few years before the Titanic, was a faster and sturdier passenger ship. Another possible counterclaim is that most of today's passenger ships dwarf the Titanic in terms of size, passenger capacity, safety features, and fun things to do onboard.
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