I love pizza, They are traditionally Italian but usually still topped with tomato sauce and cheeses. and baked   
I love the versatility of Pizza you can get creative with toppings using most meats, a variety of vegetables and cheese
You can actually top it with a lot of other vegetables and condiments and without cheese.
Restaurants that specialize in pizza are called pizzarias
It was invented in Naples, Italy and spread from there
Pizza is one of the most popular take out foods in the world
I believe that. In 2009, Neapolitan pizza was registered with the EU as a specialty Guaranteed  dish by Italy
Pizza is so popular its the most delivered food in America
Yeah, And most other kinds of restaurants offer them now also, like fastfoods placed.
Pizza is for sure a billion dollar industry in the United States, you can get it frozen, cooked, delivered