1) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

2) The Internet of Things (IoT) refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity.

3) The word "forest" contains two vowels: O and E.

4) The shortest war in history lasted only 38 to 45 minutes between Britain and Zanzibar in 1896.