The correct answer to this open question is the following.
Although there is no further reference, we can comment on the following.
Some pros and cons of the two theories regarding the peopling of the Americas are the following.
The theory of the Bering strait theory establishes that humans crossed that strait from what today is Russia to Alaska when the strait was frozen. That is how humans came from Asia to North America.
The second theory is the Kelp Highway theory, that establishes that humans coming from northeast Siberia navigated along the coastal route in the northern pacific all to the south.
The pros are that the theories have some background that is supported by studies of that geological era. The cons are that it is so difficult to state a clearly scientific affirmation because anthropologists, archeologists, and historians have differences regarding the feasibility of the information and time of their respective research.
