In ancient times watchman would mount the city walls in times of stress to survey the scene outside the fortifications. He was situated on a spot from which he could monitor the approaches to the town. If a threat appeared, he would sound a warning and the town would shut its gates and prepare for battle.
One of the hottest and most controversial issues in the world today is genetic engineering. With protests against Monsanto on May 25th in over 400 cities, people have shown that this is a topic they truly care about.
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