Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Teachers should be allowed to show Prophet Mohammed cartoons in school as part of a national curriculum on the Europe massacres caused by the images, Danish politicians have said. In January, 12 people at the French satirical weekly Charlie Hebdo which reprinted Danish cartoons, and later created some of their own, were shot dead in a jihadist attack on their Paris offices. And the Danish newspaper which originally printed 12 satirical cartoons of the Prophet Mohammed in 2005 sparked protests in parts of the Islamic world. The paper received death threats. In January, Cherif and Said Kouachi (pictured) shot 12 people dead in a jihadist attack on the Charlie Hebdo offices in revenge for the paper printing cartoons of the Prophet MohammedDanish politicians call for Charlie Hebdo attacks to be taught in schoolsTeachers 'should be allowed to show students the cartoons if they wish'Crisis caused by the cartoons 'should be on the school curriculum'In 2005, cartoons in a Danish newspaper also sparked widespread protestsConservative parties say the controversies are an important part of history 
 Question:'Politically we don't regulate the details of what students are taught, that's an old tradition to make sure that _ schools are kept free from political interference.'

Danish