Simplify the following text for a Grade 10 native English-speaking person.
Original: It was called the `` dirty war '' ( la sale guerre ) by supporters of the Left in France and intellectuals ( including Sartre ) during the Henri Martin Affair in 1950 .
Simplified: It was called the `` dirty war '' ( la sale guerre ) by supporters of the Left intellectuals in France ( including Sartre ) during the Henri Martin Affair in 1950 .