I think the answer is (B). Hope this helps!
South of the Sahara is a semi arid strip of land called the Sahel
Four
It was compiled by Justinian, Emperor of Byzantine in the 6th century. It was a collection of laws made by the best legal experts at the time.
I believe the answer on the above question is letter A which is
'Most Americans worked in the automobile industry or industries related to it." Because there are high demands of trucks and cars led to a rapid growth in the construction of all-weather surfaced roads to facilitate their movement