So that a person is allowed to be seen and heard in a courtroom by a judge. In a shorter sense, so that a person is given a fair trial.
In order to find the main idea of a text you must apply some effective reading strategies:
Step #1 - You must preview the text. That means that you need to look at any picture in the text. You also need to read the title and subheading. After that, you must read the first and the last sentence in each paragraph. This must be done very quickly.
Step #2 - You must skim the text. Skimming is a powerful strategy. To skim you have to read the entire text very quickly. Do not stop reading if there are unknown words.
By applying these strategies, you will determine what the main idea is.
The correct answer is: "He developed mathematical principles"
René Descartes (1596 – 1650) was a French philosopher, mathematician, and scientist who lived more than 20 years in the Dutch Republic and was one of the main figures of the Dutch Golden Age.
His great influence in mathematics has been his major contribution to the Scientific Revolution, although his work in philosophy is outstanding too. He developed the the Cartesian system of coordinates. He is considered the father of analytical geometry, which connects both algebra and geometry and which has been used in the development of infinitesimal analysis and calculus .
