What is the past perfect tense to stop?

Who were Three enlightened monarchs during the eighteenth century were? Which two barbarian tribes controlled what is now France and germanyAsk us anything? Which Town is callad Frointer Town? How could the roman empire have prevented its fall in the west? How did mining affect western settlement during the late 1800's? What activities were there in the Ancient Roman Agon Capitolinus? How did new inventions changed farming in west? Why did settlers move to the west in the 1840s? What year did credit cards begin? What was the importance of the fighting in the Far West during the Civil War? What was the fashion in 1950 1951 1952 1953? What century is 1921? Fire is a good sevent but a bad master? What nationality is the last name bokatzian? Why were Romans called the the Romans? What was Siege Perilous? What did the Mongols Invent? What are mosaics? Age of power driven machine? What is Overland trade route?