The name of God used most often in the Hebrew Bible is the Tetragrammaton (YHWH Hebrew: יהוה). Jews traditionally do not pronounce it, and instead refer to God as HaShem, literally "the Name".
Because the blacks needed a period of probation and instruction. A period is long enough for the black to have forgotten something of the condition as a slave.
Historians attempt to answer the history and what could have happened differently in life