Before 1789, the U.S. had been ruled by the Articles of Confederation (1781) in fear of govt. abusing power (like British rule). In 1787, it was obvious that they needed a perfect Union and so, while protecting the independence of states, the Articles of Confederation didn't describe the powers of a federal chief executive nor a judicial system. The creation of our Constitution and present form of government was informed by these and other considerations that arose during the years of the Confederation.
The possible synonym for the word abstract as it is used in the given sentence above is to "summarize". The medical students were asked to summarize the information in the related case studies. The word abstract in this sentence is used as a verb which means to condense or to shorten.
Answer:
c
Explanation: hope this helps