Well most of the concepts in these documents were prevalent in previous society's. Representative democracy in Athens. Basic inalienable rights was in the English Bill of Rights. But a big change was the checks and balances of government. i.e how the president can veto congress, the Supreme Court can overturn a veto, and Congress can impeach Supreme Court judges.
The purpose of the Environmental Protection agency is to protect the health of Americans and also the environment by helping to write and enforce environmental regulations that are passed into law by the U.S. Congress. Out of these answers the best is to, oversee guidelines for clean water, air, and other environmental issues.
<span>The federal government used "export taxes" to deal with the great depression.
</span><span>During 1930s there was a universal economic set back, or depression which actually started from the United States of America and was named "The Great Depression". According to reports due to the crash of stock market around 9000 banks failed, and there were other reasons involved also.</span>
These societies arose from a blend of old populations familiar with the environment and new immigrants with fresh skills to impart.