This ruler granted members of the enslaved nobi class 100 days of maternity leave. For 10 points each:
[10h] Name this ruler who developed the Hangul alphabet and created a research institution called the Hall of Worthies.
ANSWER: Sejong the Great [or Sejong Dawewang; or Chungnyeong; or Yi Do]
[10e] Sejong the Great ruled this Asian peninsula as part of its Joseon Dynasty.
ANSWER: Korea [or the Korean Peninsula; or Hanguk]
[10m] Sejong the Great launched the Oei invasion against a group of these people called wokou who were based around Tsushima Island. Western examples of these people included Mary Read and Stede Bonnet.
ANSWER: pirates [or corsairs; or buccaneers; or swashbucklers; or privateers; prompt on sailors or seamen]
<History - World History>