I think it is H because the other ones seem way to forceful
The tragedy that struck NASA in January of 1985 was, The Space Shuttle Challenger disaster, the challenger blew up killing exactly or around 7 people including a teacher that would be the first teacher to go to space.
How is this a history question-
The correct answer to the question is:
~Government: monarchy that employed a large bureaucracy to maintain orderly government. the tang- civil service exam to become a leader (this was brought back). Economy: grew in size, and in complexity, the invention of gunpowder was a source of trade. paper money was introduced. agriculture was improved once the GC was created.
Hope this helps!!!