Answer:
b critical thinking is the answer
The North realized that if it did not act swiftly, the Southern states might take the precedent of the Scott case as a justification for expanding slavery into new territories and free states alike. The South recognized the threat of the Republican party and knew that the party had gained a considerable amount of support as a result of the Northern paranoia in the aftermath of the decision.
The research method that uses information that has been already collected and made available for the public by governments, businesses and educational institutions are called secondary analysis. Secondary analysis or secondary data analysis take advantage of data that is already available and apply it to new research.
The correct answer is D. secondary analysis.
