Answer:
An example of cultural diffusion is the tradition of the German Christmas pickle becoming popular in the United States.
Leadership was a key factor in the creation of great civilization. Paca the Great was a leader that expanded Mayan power and initiated a building program that produced Mayan's finest architecture and Arts. Moctezuma's leadership played a role in building the last stage of the temple Ehecatl and he conquered some regions in Mexico. However, his leadership ended up being not so good for Aztecs when he helped Spaniards to conquer Mexico because he was convinced that Hernan Cortez was a god. Moctezuma was lapidated by his people.
American needed more people to work
The holocaust and germans trying to take over the british iles
