So eastern German's could not escape to the west.<span />
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Answer:A
the Incan civilization was known for the impressive waterworks in their city centers. Some of these included canals, fountains, drainage systems, and expansive irrigation.
One example of their advancement in this area is the Incan citadel called Machu Picchu which is said to be "the pinnacle of the architectural and engineering works of the Inca civilization" when talking about its water supply system.
Answer:
peace movement
Their actions consisted mainly of peaceful, nonviolent events few events were deliberately provocative and violent. In some cases, police used violent tactics against peaceful demonstrators.
If a country export a greater value than imports, it has a trade surplus or positive trade balance, and conversely, if a country imports a greater value than export, it has a trade deficit or negative trade balance
