UC知道帮忙用英文翻译下面这段话，有急用，谢谢大家。
来源：百度知道 编辑：UC知道 时间：2024/05/29 15:45:16
1776年，北美13个殖民地宣布成立美利坚合众国，并在1787年制定了对美国发展影响深远的成文宪法，建立起中央政府,三权分立。
1860-1865年, 林肯总统带领北方打赢了维护国家统一的南北战争，废除奴隶制度,中央政府也由此逐渐壮大。
19世纪初期，美国开始工业化，而内战之后则步入成熟阶段。在从内战至第一次世界大战的不到50年时间内，美国从一个农村化的共和国变成了城市化的国家。
1991年，随着苏联的解体，美国成为世界上唯一的超级大国.
In 1620, Mayflower carrying more than 100 British Puritans came to the North American continent. Before landing in accordance with the signing of the "Convention on Mayflower", Puritans started on the degree of autonomy in the management of the New World life.
1776, 13 colonies in North America announced the establishment of the United States of America, and in 1787 enacted a far-reaching impact on the U.S. development of a written constitution and establish a central government, the separation of powers.
In 1860-1865, President Lincoln led the North to safeguard national unity to win the Civil War, the abolition of the slave system, the central government which also grew.
The early 19th century, the United States began industrialization, and after the civil war is entering a mature stage. In the First World War from the civil war to less than 50 years, the United States from a rural-based Republic turned into a city