its指代哪个

The exhibition, which opened this month at the National Museum ofAfrican American History Culture, begins in a war-ravaged plantationhouse and ends with Georgetown University’s recent announcement of a bursaryfor the descendants of 272 slaves sold to cover its debts.

谢谢老师！

its只能理解为指代Georgetown University。依据句子的意思，该大学过去曾卖过272个奴隶以偿还其所欠的债务，近期该大学宣布给这类奴隶的后代们提供奖学金。