What secured land for a route for a western railroad?

Which statement best describes evidence of a mulitcultural mix in east africa? a. because of what he learned during his pilgrimage to mecca, mansa musa was able to build a center of islamic scholarship. b. the traders of ghana brought back with them slaves from the mediterranean who taught the ghana rulers about christianity. c. clans were made up of lineages that were descendants of multiple ancestors from different regions of africa. d. swahili became a language made up of words spoken by traders along the coast of the indian ocean.

What period of history refers to the time when people did not have written records

Halle is a calculating, self-centered salesperson. she never engages in relationship marketing. she looks on any sales situation as a "win-lose" situation, and she believes any legal method she can use is justified when she wins. hallie is most likely at the stage of ethical development.