B I think it is sorry if I’m wrong
It was composed of escaped African slaves located in Brazil, which saw internal conflict leading to its demise at the hands of the Portuguese
Answer is A: Mongol made up the ruling class of the Yuan Dynasty
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