Complex sentence: In early 2017, the Puerto Rican government-debt crisis posed serious problems for the government which was outstanding bond debt that had climbed to $70 billion or $12,000 per capita at a time with 12.4% unemployment.
Split into simpler sentences: In early 2017, the Puerto Rican government-debt crisis posed serious problems for the government. The outstanding bond debt that had climbed to $70 billion or $12,000 per capita at a time with 12.4% unemployment.