The spread of Bantu-speaking peoples over southern Africa can be best explained by their A
conversion to Islam
B
superior naval technology
С
use of cavalry
D
centralized political systems
E
knowledge of agriculture

i think its B.)

Explanation:

i'm not completely sure.so i hope it helps...

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

to kill a mockingbird is a 1962 american drama film directed by robert mulligan. the screenplay by horton foote is based on harper lee's 1960 pulitzer prize- winning novel of the same name. it stars gregory peck as atticus finch and mary badham as scout. in 2003, the american film institute named atticus finch the greatest movie

hope this : d