Aspreadsheet program allows a user to a. perform complicated calculations automatically b. deliver elegant presentation to a large audience easily c. organize, send, and retrieve e-mails quickly d. keep viruses from infecting their computers

A. Spreadsheet programs contain cells that can hold data values or formulas for a user. The user can then manipulate these cell values to find more complex values in other cells, worksheets, or workbooks. The automated nature of a spreadsheet program allows for these calculations to be updated without having to go back and revise the formulae.

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful