Slavery was legal in Texas under the state's Constitution. When Texas became a state, another "slave state" was added to the country.
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This question does not say who technology impacted, but technology impacts lives because it can be done to do research, and to find new cures and medicines for illnesses.
The immediate causes of the Hundred Years War were the dissatisfaction of Edward III of England with the nonfulfillment by Philip VI of France of his pledges to restore a part of Guienne taken by Charles IV. so, in a way Edward lll did qualify as a trigger in the war.
Steeplechase became an Olympic sport in 1920
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