A formal pattern of relations that link people together in order to accomplish a goal is an "Institution".
Institution is a social order where various people are assigned various goals to reach a particular destination. Institutions are permanent which mean that when someone or some people leave the institution, their roles are taken up by new people.
Answer:
A pulley is a circular disc having groove along it's circumference.
wheel and axle is an arrangement of two co-axial cylinders with different radii in which one rotates to give the rotation to another
Answer:
Salt
Explanation:
The salt reduced the fertility of the soil, making it impossible to grow any crops. Water storage was another challenge Mesopotamians faced. Water was needed in the winter to keep the crops alive, but the Tigris and Euphrates rivers were frozen.
Answer:
Through cultural diffusion.
Explanation:
Western settlement was created by the people with different backgrounds. When this people come to an inhabited region and created a settlement, they will most likely be interacting with people from different cultures/ethnicity.
When this happen, these people start to learn about each other and took out some cultural value that they have to form a new one that derived from the combination of different cultures. This process is what referred to as cultural diffusions.
Series of cultural diffusions eventually what shaped the civilizations on western hemisphere.
