求一篇关于美国历史的英语作文

Twenty thousand years ago, a group of vagrants from Asia through North America to Central and South America, these people are Indians
Native American Portrait
Ancestors.
When Columbus discovered the New World, Indians living in America, about 20 million, of which about 100 million people live in what is now north-central Canada and the United States, while a majority lived in what is now Mexico and the southern United States.
About 10,000 years ago, there is another group of Asians, moved to northern North America, which is later Eskimos.
The first white people to the Americas about the Vikings, they are a group of people like fishing adventure, some people think that they are 1,000 years ago, visited the North American east coast.
Colonial period (1607 ~ 1753) 1607, a group of about a hundred colonial forced to return to the UK because the cold, again in 1587 17 women 91 men, nine children, established in the Chesapeake Beach Chan Mushi town, which is built by the British in North America's first permanent

A Brief History of US PresidentsThere have been many Presidents of the United States since the Declaration of Independence was signed in 1776,but few people realize that the Presidential history also ...