Answer:
polluting gases and smoke from factories
Answer: Practically everyone is biased in some way. ... Basically, bias means having an unfair or unbalanced opinion. Since history is a subject where people express their opinions it means that we have to be very careful to watch out for bias.
Explanation:
Hitler began writing Mein Kampf in 1924 in Landsberg prison, following his conviction for high treason for attempting to overthrow the German republic in November 1923 in the so-called Beer Hall Putsch.