Which of the following statements is true regarding expatriation?

Which of the following statements is true regarding expatriation?

Host country nationals $($HCNs$)$ are frequently referred to as locals.

Typically, inpatriates are expected to return to their home country at a future time to replace expatriates.

Workers sometimes agree to overseas work assignments based on a psychological contract, an informal understanding of expected delivery of benefits in the future for current services.

All statements are true.