The answer is D? i’m pretty sure
Answer is D Introduction of new plants and animals cause nobody had found the Americas until then hope this helps
This answer is true because this is one step to getting there
In Dred Scott v<span>. </span>Sandford<span> the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.
Hope I could help :)
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