Propaganda war films change in the way that is suitable for the current government's goals. For example, a new movie might represent a former ally as an evil country even though an older movie might show that the enemy was once a good ally. This is solved by outlawing the old movie and showing the new one everywhere which teaches people who or what to do and think.
The rapid production of steel and steel mills lead to innovations such as skyscrapers. Also during this time, electricity became more abundant, leading to things such as telephones. Automobiles also started to be created.
Spain is the correct answer.
The Iconoclast controversy caused the banning of religious icons in Christianity and the killing of supporters of the veneration of icons. The iconoclast controversy happened twice during the Byzantine Empire. This impacted the growing divergence between Western and Eastern Christian traditions, but the Western Church stood firmly with the belief that icons could be used, but the Church was still unified at the time.
