A shaduf is a large pole balanced on a crossbeam, a rope and bucket on one end and a heavy counter weight at the other. By pulling the rope it lowered the bucket into the canal. The farmer then raised the bucket of water by pulling down on the weight. He then swung the pole around and emptied the bucket onto the field.
The best and most correct answer among the choices provided by your question is the first choice.
Woodrow Wilson was the one who <span>promoted the idea of the self-determination of nations.</span>
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Robert E. Lee was offered command of Union army after Fort Sumter.
