What Was True of African Building Materials During the First

Multiple Choice

What was true of African building materials during the first millennium C.E.?

A) Stone was increasingly used in West Africa during in the first millennium C.E.
B) The only construction material used during that period was dried mud.
C) Mosques were always constructed of wood.
D) The heavy use of mortar was predominant in buildings constructed at Great Zimbabwe.
E) Metal became an important building material as early as 1000 B.C.E.