I believe the answer would be D.) since it formed because of how poor the conditions of the migrant workers worked in were
I'd go for letter D) . But your teacher probably wants to hear letter A) or at least C)
The best option in terms of an accurate definition for economic development would be "<span>a. the level of economic, political, and social well being of a nation's people," since "developed" nations usually have more of these things than "undeveloped" nations.
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