The maquiladoras industry is a manufacturing operation where factories import material and export the made goods.
Answer is D Introduction of new plants and animals cause nobody had found the Americas until then hope this helps
Answer:
Asia to North America
Explanation:
Because if you look at human migration. We came from Africa went to Europe and the migrated across Asia. Then there was still a land bridge to North America, but then we got trapped over there because our bridge went away.
