How didan elite group, a few business giants, how did they end up dominating, controlling a number of important national industries in the last quarter of the 19th century?
end up doing到底是最后还是结束？？
结束和最后是两个不一样的意思，那种情况下是最后？
end up doing不是“结束做某事”，而是“以目前分词表示的结果而告终”。
end up + 目前分词：
You could end up running this company if you play your cards right.
你如果处置得当，到头来这个公司能归你掌管。
If no one helps him he may end up being a beggar.
假如无人帮助他，他最后或许会成为一个乞丐。