Television
Explanation: you see how they invented and shows how they worked hard on it
I'm pretty sure its D not fully sure
According to a quick Google search, England. With the explorer Henry Hudson leading the expedition.
Privatise is transfer a business from public to private ownership and control.
Social insurance is a concept where the government intervenes in the insurance market to ensure that a group of individuals are insured or protected against the risk of any emergencies that lead to financial problems.