What were some of the major achievements in the U.S. during this time period? I know they founded the continents, but I do not know the specifications.

Also, were there any major literary movements developed during this period period?

Thank You

What time period?

Pre to the 1600s

First no one "founded" the continents. They were here long, long before there were any people on earth.

The Native Americans were the first people to inhabit the Americas.

These sites discuss some of their accomplishments. Be careful, some of the references are to those in other parts of the Americas than the U.S.

http://answers.yahoo.com/question/index?qid=20101213153600AAFH2lW

http://lostworlds.org/

Basically there were no literary movements (except for oral traditions) because the people hadn't developed writing.

Thank You so much. And the types of writing and genres they used were naturism. Is that correct?

Native Americans did not write.

But when they finally started writing, was n't not based on naturism?

The time period you are referring to is quite broad, so I will assume you are asking about major achievements in the United States from its founding until the present day.

Some major achievements in the United States during this time period include:

1. Founding of the United States: The signing of the Declaration of Independence in 1776 marked the birth of the United States as a nation, with principles of individual liberty and democracy.

2. Constitution and Bill of Rights: The drafting and adoption of the U.S. Constitution in 1787, along with the ratification of the Bill of Rights in 1791, provided the framework for the country's system of government and protection of individual rights.

3. Westward Expansion: The 19th century saw the United States expand westward, acquiring new territories through exploration, negotiation, and conflicts such as the Mexican-American War and the Louisiana Purchase.

4. Industrialization and Technological Advancements: The United States became a major industrial and technological power, with advancements such as the development of the telegraph, railroad system, electricity, telephone, and later on, the automobile and aviation industries.

5. Civil Rights Movements: Throughout U.S. history, there have been significant movements for equal rights and social justice, including the abolitionist movement to end slavery, the women's suffrage movement, and the Civil Rights Movement of the 20th century.

Regarding literary movements, there were several major ones developed during this period. Here are a few examples:

1. Romanticism: This movement, which emerged in the early 19th century, emphasized individualism, imagination, and nature. Writers such as Washington Irving, Edgar Allan Poe, and Ralph Waldo Emerson were associated with this movement.

2. Transcendentalism: This philosophical and literary movement, also rooted in the early 19th century, focused on the inherent goodness of individuals and the importance of self-reliance. Prominent transcendentalist writers include Henry David Thoreau and Margaret Fuller.

3. Realism: In the late 19th century, the realism movement emerged as a response to romanticism. Realist writers sought to depict reality as it was, often addressing social issues and presenting characters from different social classes. Prominent realist authors include Mark Twain, Henry James, and Edith Wharton.

These are just a few examples, as there were many other literary movements that emerged during this time. It's important to note that literary movements often overlapped and influenced one another, and individual writers may not always neatly fit into one specific movement.