1) The Atlantic Ocean is the second-largest ocean and is known for its strong ocean currents, including the Gulf Stream.

2) The concept of sovereignty refers to the supreme authority and power of a state to govern itself, make decisions, and control its own territory without interference from external forces.

3) Michael Phelps, an American swimmer, has won a total of 28 Olympic medals, including 23 gold medals, making him the most decorated Olympian of all time.

4) Ramen is a popular Japanese dish consisting of wheat noodles served in a flavorful broth, often topped with ingredients such as sliced pork, green onions, and soft-boiled eggs. It originated in China and was introduced to Japan in the late 19th century. Ramen has evolved into a culinary art form, with various regional styles and broth bases, ranging from soy sauce to miso and tonkotsu (pork bone). It is a beloved comfort food and has gained international recognition.