To my mind, such a situation is unacceptable and should be regarded as trespass.
... I wish you replaced the first part by "In my view" or "I believe that "
In fact it is generally agreed that the young people, particularly the children at the age of eight or ten are not intelligent enough to resist the ideas of some authoritative person (like a teacher, a parent or the elder sibling).
undemocratic countries t
non democratic countries
In such cases the students suppose that the teacher might dislike the political party or social activist they support.
... not very clear what you say
That is because of the stereotype according to which teachers dislike the students with the opposite views and inability of children to counter the prevailing viewpoint.
... again, you need to rephrase this line to improve clarity