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

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

richard allen was a minister for a african methodist episcopal church. he was also a educator and a writer one of america most active and influential black leaders. in 1794, he founded a african methodist episcopal church in philadelphia, pennsylvania. the church that he founded was the first independent african american denomination in the united states. he was a influential leader that makes many people feel comfortable under his preachings. they trusted him and supported him even though it could get them in trouble because slavery was happening. he risked his life to bring slaves and others closer to god and writing books. as a boy he and his family were slaves but some how he managed to teach himself how to read, write and preach. he has written four books about his life, slavery and hymns/preaching.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

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