The ‘Clovis first’/ice-free corridor hypothesis with the coastal migration/‘kelp highway’ hypothesis

Compare and contrast the ‘Clovis first’/ice-free corridor hypothesis with the the coastal migration/‘kelp highway’ hypothesis. Specifically, what do each of these hypotheses claim in terms of the timing and migration routes of the first people in the Americas?
For each hypothesis, include discussion of specific archaeological evidence/sites that are central to these debates. For example, what evidence supports and/or challenges each hypothesis?
A critical synthesis of what you think is the most likely scenario given the evidence for or against each hypothesis.