Which person develop the use of interchangeable parts in 1798?

Eli Whitney      

Explanation:

Eli Whitney was the first person to develop and introduce the process if the interchangeable parts in machines. Before coming of the interchangeable parts, it was difficult to change the machine when it broke, with no replacement parts specially made for any machine. Eli Whitney idea of interchangeable parts was accepted, that led in mass-produce of invention like steam engines, to maintained with identical replacement pieces, instead of individual attention to every broken machine.  

wood carving remains today the primary sculptural art form of the sub saharan continent. african art history shows the earliest wooden sculptures from the 17th c are attributed to the kuba, central zaire but the earliest surviving sub-saharan sculpture is a zoomorphic head found in 1928 in central angola.

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