The men's hockey tournament was introduced in 1920 and was permanently added to the Olympics in 1924.
Each year the USA National team is chosen based on a selection process approved by the US Olympic Committee and USA Water Polo Inc. So the answer to your question is no, each year the team changes
The first year hockey was played in the Winter Olympics was 1908.
It is in the Olympics. It was first introduced as a demonstration sport in The Korean Olympics 1988, then formally introduced as a competition sport in the year 2000
I am not exactly sure when womens waterpolo started but womens waterpolo in the Olympics around the year 2000. Hope this helps!
Water polo was first played in the USA in 1888
1996 Summer Games in Atlanta.
marco polo introduced spices to italy after his 20 year trip to china
In 2000! James D. Horne