useless trivia: What Word Means: To Ink Again?

Questions

The nation of ---------------, located in the Atlantic Ocean 450 miles west of the western tip of Africa, has no minerals except salt and pozzolana.?

The nation of -------------- has an AK-47 assault rifle on its flag.?

One of the deadliest diseases in the world is Japanese River Fever, with a mortality rate of more than 50 percent. It is found only near rivers in certain areas of Japan, China, Korea, Burma, and --------------?

The ----------------- is the lowest country in the world. It is estimated that 40 percent of the land is below sea level.?

The -------- river has frozen over at least twice, in 829 and 1010 A.D.?