The Great Wall of China, built more than 2,000 years ago, stands as one of the monumental feats of ancient engineering. But before the Great Wall, warring Chinese dynasties built many other walls for protection. There are 7,000 watchtowers, blockhouses for soldiers, and beacons to send smoke signals. Nineteen walls have been built that were called the Great Wall of China. The first was built in the 7th century BC.
Answer:Although the Keating-Owen Act was passed by Congress and signed into law by President Woodrow Wilson, the Supreme Court ruled that it was unconstitutional in Hammer v. Dagenhart 247 U.S. 251 (1918) because it overstepped the purpose of the government's powers to regulate interstate commerce.
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The Philippines have around 7,107 islands, which have been famous tourist attractions
