Correct answer: the hypothetico-deductive method.
Explanation: This model or method is a propose description of the scientific method. A researcher propose an hypothesis in a form that can be falsifiable. Then he/she must come up with tests for the observable data that he/she has. With this test the hypothesis can be proven true or false.
In summary, this method (The H-D method) is the procedure to build scientific theories. The results obtained come from direct observation or experimentation and will help to predict future effects that can be verified or proven by empirical evidence.
The answer is A. Science is the study of the nature of things. B would be political science. C is sociology and D is philosophy.
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Just. because formal battles have ended, does not mean both sides will accept the outcome. Prejudice and need for cheap labor was still deeply ingrained.
The confederate south had been devastated by the Civil War. Money and law enforcement from Union military would be required., for years! The US treasury did not make enough budgeted funds available for equitable reconstruction. Blocking pro-freedmen legislation.
Many of former confederate states would send pro-slavery/anti negro representatives to US House and Senate.
Political squabbling would continue with the compromise of 18xx would remove federal troops. Dominant white racist ideals would prevail. Banks not loaning to freed slaves, only at unreasonable high interest rates, would reduce business and land ownership.