Queen of Sheba, Arabic Bilqīs, Ethiopian Makeda, (flourished 10th century bce), according to Jewish and Islamic traditions, ruler of the kingdom of Sabaʾ (or Sheba) in southwestern Arabia
I think your question is wrong
<span>Diverse, political, economic, military, religious, and social causes.</span>
A) by crossing the bering land bridge
based on what i remember from ancient world history, the bering land bridges connected asia to northern america (specifically what would be today's canada/alaska area) during an ice age