Feudalism started around: a. d. 600 a. d. 700 a. d. 1000

It began in 1000 A.D.  With the collapse of Rome, Western Europe was thrown into the Dark Ages.  During this time, it centered on the nobility, the church and the masses and the value of land.  During this period, there were several kingdoms where lords pledge their loyalty in exchange for land where peasants would work for in the service of the lords.

answer; the correct answer is (travel horizontally);

world bank is the correct answer.