B. because the Industrial Revolution mainly focused on factories and profit made from them.
Still the basic economic superiority of the camel prevailed. A few wagons reappeared under the Turks. More significantly, the Ottoman Turkish expansion into the Balkans did not spell the end of wheeled transport there. However, in general the use of the camel remained all-pervasive until the advent of European influence which stimulated the building of carriages for use in cities.
Then came the automobile and the end of the contest was in sight. There were setbacks, of course. In World War II, for example, lack of tires often forced the Arabian American Oil Company (Aramco) to use camels instead of trucks. But that was temporary. Today even Bedouins keep a truck parked outside their tents. The day of the camel is past, and whoever laments its passing would do well to remember that 2,000 years ago someone else was lamenting the passing of the ox cart.
YES, IT DID
Under the feudal system the land was usually officially owned by the King of an area, however, it was given to nobles or in this case knights in exchange for money and loyalty. These nobles had to pledge their support for the King and their willingness to fight if there was ever a conflict that necessitated their support.
Answer:
they found the using of iron
