The correct answer is the Beringia or the Beringia land bridge.
The land mass that is considered by historians to be a path taken by early explorers to travel from Asia to America is the Beringia land bridge.
Beringia is the region in the very North portion of the Earth where historians considered that people from Asia crossed to America thousands of years ago. On the West of Beringia is the Lena River in Russia. On the East, the MacKensie River in Canada. The Chukchi Sea is in the North, and on the South, the Kamchatka Peninsula. Historians consider that in this region, a landmass or a bridge of nearly 620 miles formed thousands of years ago and this allowed Asian people to cross to America.