A

1) Hitler believed that Germans lacked the so-called herd instinct that prompted other people to act unanimously. In his view, Germans were superior to other races at the individual level. Nevertheless, they could not always work on shared goals. So, this deficiency prevented them from dominating the entire world.

2) According to Hitler, the main task of propaganda was to highlight a certain idea or the need to do something. Moreover, it had to appeal to the masses. However, it was not suitable for shaping the views of educated people who could think critically.