The answer is Abu Bakr and Ali. It was the difference between the Shiites and the Sunnis.
to conserve water facilitate two ways,canals are built level.Of there ia a fiffernce in elevation between the ends of a canal,the channel is built as a series of level sections linked by locks
The British strategy in dealing with the New England states failed because the british army overextended his supply chain, which stretched in a long, narrow strip from the northern tip of Lake Champlain south to the northern curve of the Hudson River at Fort Edward, New York. As the british army marched south, Patriot militia circled north, cutting the British supply line.
