Steeplechase became an Olympic sport in 1920
Hope this helps! <span />
(Sorry this is a late answer lad :( ) But the answer is D. It caused the tribes to lose their culture as they assimilated.
As the tribes were moved from their land, many of them died and the ones who didn't die ended up getting their religion and culture completely removed or assimilated
Allied D-Day training and preparing was a vast endeavor, stretching from North America to southern England. Firing ranges were at a premium, as space was needed for practice-firing weapons from rifles to naval gunnery and antiaircraft guns.