On the day of the entrance exam, many candidates will have mastered the admission tests to such a high level that they may consider some of the ones worth mentioning to be too obvious. Even the basics will score points.
Don't go too far for an introduction. If you are asking specifically about legal realists, you should not start by deriving the answer from ancient natural law thought. If you are asked about legal realists, tell us about them. Try to get to the point in the first few lines.
It is often at the drafting stage that the answer begins to take shape. Sometimes even strict delimitations are appropriate if the topic is broad.

Title essay or general essay?
In the selection test, essays can be either title essays or general essays. In this context, a title essay is an essay whose title is similar to the subheading in the examination booklet. In this case, the answer to the question can be found https://essayassistant.net/physics-homework-help/.
In principle, all essays in the selection tests have been essays with a title in the strict sense of the term, in that they have been based on a predefined title. In this context, however, I distinguish between essays based on one title and essays based on several titles. A general essay requires the applicant to combine information under different headings.
As such, it makes no difference to the style of response whether the essay is a title essay or a general essay. In both cases, an introductory style of response is expected.
The difference between essay types lies in the preparation
These two types of essays need to be prepared differently. The title essay emphasises the mastery of the table of contents and the key words in the appendices. An essay paragraph that resembles a table of contents should bring to mind the keywords attached to it. On the basis of these keywords, the main points should be recalled under the heading in question.
A general essay, on the other hand, is based on the ability to combine related issues from different parts of the book or even from another selection book. The overall essay will focus on how well the marginal notes have been made.
If a topic is covered in different parts of the book, it should be possible to link them together by means of marginalia. You can use an essay writing service. Sometimes the book should be read in the order indicated by these marginal notes. In this way you will be better prepared to answer the general essay. (see Reading technique and understanding the whole of what you are reading)
Do not write a summary
The essay for the law selection test needs neither an introduction nor a concluding paragraph. There is no need to write a summary or recap at the end of the essay of things you have already mentioned.
Read through the answer at the end with a thought
Of course, there is nothing you can do if you run out of time and leave your answer unfinished. However, if there is time, read the answer in case of brainstorming. In five hours, the brain can get so twisted that inevitably there will be some slips of the tongue.
You can pick out the worst ones by gumming up the answer. Blank spaces in the answer are fine if the answer has been rubber-stamped to remove the brain fuzz.
More information:
Structure of a research article