1) The FIFA World Cup is the most-watched sporting event globally, with billions of viewers tuning in for the tournament held every four years.

2) The concept of federalism involves the division of powers between a central government and regional or local governments, allowing for shared governance and autonomy for different levels of administration.

3) The insurance industry is one of the oldest industries in the world, with roots dating back thousands of years.

4) The word "computer" contains three vowels: O, U, and E.