South Africa......Great Britain
Answer: Hierarchical diffusion
Explanation:
Hierarchical diffusion describes a situation where information is first shared amongst certain people such as a group of connected individuals and then those ones spread it as well to others.
This is what happened here. President Obama's tweet was first seen by people who followed him and so were connected to him on Twitter and then as they retweeted it, more people saw it and retweeted it as well leading to the tweet being shared to millions.
Answer:
From a state of endangerment, many languages become extinct. When the speakers of a language are exterminated as what happened to Tasmanians in the 19th century, several languages suddenly died. Another reason for the extinction is the pressure exerted on a community to incorporate with a more powerful or larger group.
Explanation:
is the Art's and other manifestation of human of intellectual achievement regarded collectively
<span>The correct answer here is priests, warriors, merchants, farmers.</span> This combines perceptions of varna and jati. The caste system gives divisions Hindus into four main categories - Brahmins, Kshatriyas, Vaishyas and the Shudras. Many have faith that the groups originated from Brahma, the Hindu God of creation.