Answer:
War on terrorism was first coined by The United States of America. It was led as a response to the attack which happened on the twin towers.
Explanation:
Terrorism led by extremist groups who think that countries or Leaders are being unreasonable and hence the only no way to solve any issue is through violence.
This war on terror which The United States of America led now many countries lead too.
Terrorising innocent humans to gain own personal interests is highly unacceptable.
It would be a "nerve cell" that is a specialized cell, since this cell has developed from a general stem cell (which can take practically the form of any cell) as has become a cell with a specific role in the body.
