Answer:
D. all government leaders ultimately answer to the power of ordinary citizens
Explanation:
It would be B) European Migration
hope you like my answer :)
B) Industrial resources and C) intellectual contributions would be considered an example of a human resource. This is because these are two things which humans can produce, such as working in a factory and helping the production line or producing articles and scholarly articles to further advance their community.
this is what I got from Google-
When the U.S. Supreme Court ruled in the Dred Scott decision that the Missouri Compromise's prohibition of slavery in territories was unconstitutional, an increasingly diverse body of opponents of slavery rallied around the Republican Party.
