2.3. The usa bird symbol

The Americanbald eagle was adopted as the official bird symbol of the United States of America in 1782. The bald eagle was chosen because of it’s majestic beauty, great strength, long life, and because it’s native to North America^*.

2.4. The usa national anthem

“The Star-Spangled Banner” is the national anthem of the United States of America. The lyrics come from a poem written in 1814 by Francis Scott Key, a then 35-year-old amateur poet. The poem was set to the tune of a popular British drinking song “To Anacrean in Heaven”, written by John Stafford Smith for the Anacreontic Society, a London social club. Although the song has 4 stanzas, onle the first is commonly sung today:

O! say can you see by the dawn’s early light

What so proudly we hailed at the twilight’s last gleaming.

Whose broad stripes and bright stars through the perilous fight,

O’er the ramparts we watched were so gallantly streaming.

And the rockets’ red glare, the bombs bursting in air,

Gave proof through the night that our flag was still there.

OHH, say does that star-spangled banner yet wave

O’er the land of the free and the home of the brave?

3. The usa physical geography

The conterminous United States may be divided into seven broad physiographic divisions: from east to west, the Atlantic–Gulf Coastal Plain; the Appalachian Highlands; the Interior Plains; the Interior Highlands; the Rocky Mountain System; the Intermontane Region; and the Pacific Mountain System. An eighth division, the Laurentian Uplands, a part of the Canadian Shield, dips into the United States from Canada in the Great Lakes region. It is an area of little local relief, with an irregular drainage system and many lakes, as well as some of the oldest exposed rocks in the United States.

The Atlantic–Gulf Coastal Plain begins at Cape Cod and Long Island (moraines and outwash plains) and contains southeastern Atlantic and Gulf continental shelf – includes all of Florida and Louisiana. It is low and flat.

The Appalachian Highlands sweeping from Newfoundland to Alabama dominate the landscape of the Eastern seaboard. Their peaks, ridges, hills, and valleys form a belt almost 3,200 kilometers long and up to 580 kilometers wide.

The Interior Plainsmay be divided into two sections: thefertile central lowlands, the agricultural heartland of the United States; and theGreat Plains, atreeless plateauthat gently rises from the central lowlands to the foothills of the Rocky Mountains.

The Interior Highlands are located just West of the Mississippi River between the Interior Plains and the Gulf Coastal Plain. This region consists of the rolling Ozark Plateau to the north and the Ouachita Mountains, which are similar in structure to the ridge and valley section of the Appalachians, to the east.

The Rocky Mountain System is a geologically young and complex systemthat extends intonorthwest United States from Canada and runssouthinto New Mexico. There are numerous high peaks in the Rockies;the highestisMountain Elbert(4,399 m). The Rocky Mountainsare divided into four sections – the Northern Rockies, the Middle Rockies, the Wyoming (Great Divide) Basin, and the Southern Rockies. Along the crest of the Rockies is theContinental Divide, separating Atlantic-bound drainage from that heading for the Pacific Ocean.

The Intermontane Region is between the Rocky Mountains and the ranges to the west. It is an arid expanse of plateaus, basins, and ranges. The Columbia Plateau, in the north of the region, was formed by volcanic lava and is drained by the Columbia River and its tributary the Snake River, both of which have cut deep canyons into the plateau. The enormous Colorado Plateau, an area of sedimentary rock, is drained by the Colorado River and its tributaries; there the Colorado River has entrenched itself to form the Grand Canyon, one of the world’s most impressive scenic wonders. West of the plateaus is the Basin and Range province, an area of extensive semidesert.

the Grand Canyon

The Pacific Mountain Systemis between the Intermontane Region and the Pacific Ocean.It is aseries of rangesgenerally paralleling the coast, formed by faulting and volcanism. TheCascade Range, with its numerous volcanic peaks extendssouthfromsouthwest Canada intonorthernCalifornia, and from there is continued south by theSierra Nevada, a great fault block.Mountain Whitney(4,418 m), in the Sierra Nevada, isthe highest peak in the conterminous United States.

Alaska contains some of the most dramatic and untapped scenery in the country. Tall, prominent mountain ranges rise up sharply from broad, flat tundra plains. On the islands off the south and southwest coast are many volcanoes. Hawaii, far to the south of Alaska in the Pacific Ocean, is a chain of tropical, volcanic islands, popular as a tourist destination for many from East Asia and the mainland United States.