Answer:Fjord
Explanation:Fjords are narrow bays formed by glaciers. A glacier slices through the bedrock of an area, leaving a long, steep canyon when it recedes. The sea seeps into the inlet, forming a fjord.
Answer: Changing demographics and Popular sports such as football and hockey can only be played by professional athletes.
Explanation: From the question changing demographics has nothing to do with decline of casual sports interest as the demographics has to do with the age spread of a certain population.
Also football and hockey can be played for fun by anyone, it must not be exactly as it is played by professionals but it can be played casually.
The native Americans already had the first 3 items. The British brought horses to the new world and the native Americans used them a good bit Civil War and after.
whoaaahhh
Explanation:
this is alot of reading lol