Answer: D
Explanation:
D.He was a strong believer in Manifest Destiny.
In the 1972 Olympics, Mark Spitz won 7 gold medals for 100m Butterfly, 100m Freestyle, 200m Butterfly, 200m Freestyle, 4×100m Freestyle Relay, 4×100m Medley Relay, and 4×200m Freestyle Relay.
Secretary of State John hay was an advocate of "<span>A. an open door with China" (also known as an "open door policy" since by this time China had become a powerful economic force. </span>
The Continental Army persevered and won a decisive victory at the Battle of Saratoga. They decimated Burgoyne's troops, cut off supply routes, and Burgoyne never received his promised and desperately needed reinforcements.