Answer:
A . Landmark Legislation: The Reconstruction Act of 1867
Explanation:
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They believe their countries problems should be dealt with.
Alfred Wegener argued about the idea of continental drift in the early period of the 20th Century.
<h3>Who was Alfred Wegener?</h3>
Alfred Wegener was the geologist who discovered the theory of continental drift which had occurred on Earth about three hundred million years back.
Alfred Wegener identified that there was a supercontinent named Pangaea which was split and moved from its places being one of the similarities between the coastlines of the western part of Africa and the eastern part of South America.
Therefore, continental drift was one of the concepts beings argued by Alfred Wegener in the twentieth century.
Learn more about the Alfred Wegener in the related link:
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Answer:
the answer to the question is D
