 
 <prompt> Wetin dey for West side of di land bridge? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: The details of how Paleo-Indian people waka reach and move around the Americas, including the exact dates and routes wey dem follow, dey always dey research and discussion. According to archaeological and genetic evidence, North and South America na the last continents for world wey get human beings. During the Wisconsin glaciation wey happun 50–17,000 years ago, as sea levels fall, e allow people to waka pass the land bridge of Beringia wey join Siberia to north west North America (Alaska). Alaska na place wey get ice wey dey protect people because e no get plenty snow, so small population fit dey there. The Laurentide Ice Sheet cover most of North America, e block people wey dey move around and trap dem for Alaska (East Beringia) for many years. 