What are the 2 oldest landforms in the united states?

Appalachian Mountains and Rocky Mountains

Explanation:

The Appalachian Mountains may be some of the oldest mountains on earth. The segmented chain of landforms cuts across the eastern side of North America, including U.S. states such as New York, Pennsylvania, Connecticut and Alabama. The highest range is the Blue Ridge Mountains, and the highest peak is at Mount Mitchell.

The Rocky Mountains are a mountain range that passes through the western states, such as Utah and Colorado. The Rockies are taller, steeper and craggier than the Appalachians because the western mountains are not old enough to have experienced the same amount of wearing by the elements. Yellowstone National Park and Royal Gorge are examples of the various tourist attractions that are set in the Rocky Mountains.

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european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.