Psychological warfare involves the planned use of propaganda and other psychological operations to influence the opinions, emotions, attitudes, and behavior of opposition groups. RAND has studied military information support operations (MISO) in many countries and war zones and has provided objective and supportable recommendations to policymakers on methods and tactics to employ or defend against these operations.
Hitler and other leaders accused Jews, poles and Chinese of starting a World War.
After the fall of the Roman Empire, Charlemagne became king of the Frankish people in the year 751. He had the main belief of unifying all Germanic peoples and convert them to Christianity. Other important beliefs he had were the revival of culture and education which had been relegated during the dark ages. Thanks to these beliefs, Charlemagne got to control a large part of Europe. They are important for a ruler since promoting education within it citizens helps the development of a society. The firm belief he had in uniting all peoples is represented in many rulers that followed him like Napoleon; it is an important principle to consolidate a government and peace in a territory. Another example that he set for future leaders is the ability to make strategic alliances, the one he made with the Catholic Church eventually turn him into the holy roman emperor.
Answer: They were hoping to find a waterway connecting the Atlantic and Pacific Oceans to make it easier for trading ships to sail from Europe to Asia.