1) The word "flower" contains two vowels: O and E.

2) The first modern health insurance policy was introduced in Germany in the late 19th century.

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

4) Meryl Streep is an American actress widely regarded as one of the greatest performers in the history of cinema. She has received a record number of Academy Award nominations and has won several awards for her roles in films such as "The Devil Wears Prada" and "Sophie's Choice."