Question

highlight the sentence that shows how the original purpose of underwater hockey is introduced.
underwater hockey
in the 1950s, the british navy was looking for a way to help train divers during the winter; they ended up inventing a game that is now known as underwater hockey. two teams compete to move a weighted puck across the bottom of a swimming pool into the other teams goal. the players wear fins, a diving mask, thick gloves to protect their hands, and they use hockey sticks to move the puck underwater across the pool. the main challenge of the game is that players must hold their breath when they dive and swim underwater. this means that all underwater hockey players must also be strong swimmers. the game became very popular, and now it is played over the world.

Explanation:

The first - sentence clearly states that in the 1950s, the British Navy was looking for a way to train divers in winter and invented underwater hockey. This shows the original purpose.

Answer:

In the 1950s, the British Navy was looking for a way to help train divers during the winter; they ended up inventing a game that is now known as underwater hockey.