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| USPS (The U.S. Postal Service has an existential problem. For five years, the agency has flirted with insolvency. It has $15 billion in debt, its statutory maximum.) | |||
| U.S: 11 phrases in 6 subjects |
| Abbreviation | 6 |
| Education | 1 |
| Geology | 1 |
| Military | 1 |
| NASDAQ | 1 |
| Rail transport | 1 |