The individual is likely experiencing schizophrenia. This is
a mental disorder in which an individual can produce abnormal behavior,
socially and that he or she can have unclear thinking and to see things that
are solely hallucinations and experience tremors.
Cultural diversity has affected society in many ways throughout history. In recent decades, increased communication and travel possibilities made the transfer of people, and by extension their culture, more widespread.
To allow the British East India Company to sell its goods to the colonies without paying taxes. This allowed the British East India Company to sell their tea cheaper than the American merchants.