Question

Which statement best supports the land bridge theory of early migration?

Answer 1

Land Bridge Theory Synopsis: The Land Bridge Theory, also known as the Bering Strait Theory or Beringia Theory, is a popular model of migration into the New World.  This theory was first proposed in 1590 by José de Acosta and has been widely accepted since the 1930s.  The Land Bridge Theory proposes that people migrated from Siberia to Alaska across a land bridge that spanned the current day Bering Strait.  The first people to populate the Americas were believed to have migrated across the Bering Land Bridge while tracking large game animal herds.  This theory is widely adopted by most modern textbooks.

Answer 2

Answer:

Land Bridge theory is the theory that explains the migrations of humans to America. According to this theory, the ancestors of Native inhabitants crossed the Bering bridge Which emerged between Alaska and Siberia between 40,000 and  15,000 years ago. Archaeological evidence put the date of human existence in the Americas to be 13,000 years ago. The bridge emerged during the last ice age. According to the theory that challenges the Beringia theory that Beringia was flooded and the inhabitants had to migrate to Alaska and also that they ferried themselves in boats. Another theory states that the entry to North America was blocked by two ice sheets Laurentide and Cordilleran. The hunter-gatherers lived on the Beringia landmass hunting Mammoth and Reindeer and later when the climate became warmer they continued their journey. This happened in a cyclic manner