Thematic essay has a central theme, and DBQ relies on evidence from outside documents
It was mainly "the automobile industry used the substance to power cars and trucks," that was <span>boosted by oil being extracted here, since gasoline is derived from oil. </span>
The Chinese provide technical skills which Africans do not have in constructing roads and standard gauge railways. The Chinese currency is not high like the US dollar and the European currency so Africans can afford Chinese.
