Name the countries and regions that were ruled by Rome under the Trajan emperor in the 2nd century AD.

Emperor Trajan ruled from AD 98 to 117. The possessions of the Roman Empire were from the modern western coast of the Iberian Peninsula (Portugal) in the west to Mesopotamia (modern Iraq) in the east, from Egypt in the south (the border of Egypt and Sudan now) to the border of England and Scotland in the north and the Danube River (separated from the Germanic tribes ). For Think, the Romans controlled Dacia (now Romania), the borders with the Germanic tribes went along the Rhine, plus possessions in the Crimea and along the Black Sea coast.