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多年以来,美国无论在经济或科技上,都冠称全球,很多人不禁问:为什么? 地理和历史优势美国位于北美洲,地大物博,气候适中,有充足的物质资源发展工商业。人口虽多,但尚未过剩,拥有之资源,足以供应国民之需,其产品在国内有足够的市场,即使世界经济不景气,也可保持经济和人民就业机会的稳步增长。美国北邻加拿大,南临墨西哥,东西两面被海洋隔开,成为天然的保护网,只要与加拿大和墨西哥和平共处,便没有国家可轻易入侵美国领土。因此在第一、二次世界大战时,都避免了被敌方攻击,破坏之苦。人民在安居乐业中,可放心创作,培养对尖端学术的兴趣。反观与美国同有地大物博优势的俄罗斯、加拿大、中国和巴西。俄罗斯和加拿大天气太冷,巴西则又太热,都不利工商业发展。中国享有大片土地,但自古以来,受周围的国家侵略,以致
For many years, the United States has won the title of “global” in both economy and science and technology. Many people can not help but ask: Why? Geographical and historical advantages The United States is located in North America. It has abundant land and abundant climates with abundant material resources for business development. Although its population is large, it is not yet overcapacity. Its resources are sufficient to supply the needs of its people. Its products have sufficient markets in the country and, even if the world economy is in a downturn, its economy and people's employment opportunities will grow steadily. The United States is north of Canada to the north and Mexico to the south. Separation of the ocean from the east and west is a natural protection network. As long as it coexists peacefully with Canada and Mexico, no country can easily invade the U.S. territories. Therefore, in the first and the second world wars, have avoided being attacked by the enemy, the pain of destruction. In the fields of live and work, people can feel comfortable writing and cultivate their interest in advanced academic. On the other hand, Russia, Canada, China and Brazil, which share the same superiority as the United States. The weather in Russia and Canada is too cold, while in Brazil it is too hot, not conducive to business development. China enjoys a large area of land, but since ancient times it has been aggressively invading the surrounding countries