T or F with brief explanation please

1. Official unemployment rate declines as discouraged workers enter the military.
2. Catch-Up Effect refers to how the US grew rapidly due to the Internet revolution in the 1990's
3. Okun's Law has not always worked for all business cycles in USA
4. Adam Smith believed that nations would grow poor over a period of time
5. Asian tigers refers to the fierce animals roaming the jungles of Asia,