1: "Pizza's journey to the USA began with Italian immigrants in the late 19th century."

2: "The first pizzeria in the USA, Lombardi's, opened in New York City in 1905."

3: "Pizza gained popularity during WWII when American soldiers stationed in Italy developed a taste for it."

4: "In the 1950s and 60s, pizza became a mainstream food option in the USA."

5: "The rise of chain pizzerias like Pizza Hut and Domino's in the 1970s solidified pizza's place in American culture."

6: "Today, pizza is one of the most popular foods in the USA, with endless varieties and toppings."

7: "Chicago deep-dish pizza and New York-style pizza are iconic American styles that have gained worldwide fame."

8: "The love for pizza in the USA is evidenced by the annual consumption of billions of slices."

9: "The surprising history of pizza in the USA highlights its evolution from immigrant food to beloved American staple."