As big as the continental United States, there were no government border restrictions at that time. Colonists all over the world have opened up their own colonies. So there are so many activities of colonists from all over the world.

It's not documented. Vikings in northern Europe even set foot on the land of North America earlier, but they did not leave many strong cultural relics.

The earliest recorded document is Spanish, 15 13. After Columbus 1492 arrived in America, the Spanish arrived in the southwest of the United States, and later entered the United States on a large scale from Mexico.

The French are also very early. From the mouth of the Mississippi River to the Great Lakes, a large area of land in the interior of the United States has been developed.

The British established the Virginia colony around 1600, and the Mayflower Puritans arrived in today's New England, that is, the northeast of the United States, on 1620.

Almost at the same time, about 16 10, the Dutch also established their own stronghold at the Hudson River estuary, which is today's new york.

/kloc-In the 8th century, Russians came from the Bering Strait and discovered Alaska.

In a word, everyone has his share. If the American government had not been finally integrated, there might be several countries on this land today.