Well when scientists wish to learn something, they use the scientific method. The first step is to observe something/could be a problem. Then ask a question about it. Form a hypothesis, or a possible answer to that question. These are the first steps.
Further steps include setting up an experiment and results, etc, but I think you know the rest! Hope this helps!
In this story, the author is making the point that humans and animals are far more similar in many ways than people tend to think, specifically when it comes to forming relationships.
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Cherokee v,. Georgia determinded that they were a separate foreign entity and did not have to be moved.
President Jackson ignored Marshall's ruling and moved them anyway.
Answer:
The Civil rights act of 1964
Progressives sought to break the power of political bosses by reforming the election process. They used direct primary to take the power of choosing candidates away from political machines. Then they pushed for the 17th amendment to give voters the power to elect their senators directly. Finally, progressives urged states to adopt initiative, referendum, and recall.
