The slave went free; stood a brief moment in the sun; then moved back again toward slavery." W. E. B. DuBois

Even though the slave was free, he was not treated that way.

Explanation:

Not every black person was a destitute sharecropper. In spite of the endemic racism of the south, there was room for some blacks to rise into the middle class by learning specialized trades, or by creating businesses that served the black community. In a few of the cities, such as New Orleans, Nashville, and Charleston, there were communities established that allowed some chance at autonomy and prosperity.

a-he encouraged islamic schools to introduce greek texts.

d-he invited greek scholars to teach their texts to the locals.

explanation:

the transmission of the greek classics to latin western europe during the middle ages was a key factor in the development of intellectual life in western europe.[1] interest in greek texts and their availability was scarce in the latin west during the earlier middle ages, but as traffic to the east increased so did western scholarship.

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