Why is sutter's fort the oldest restored fort in the us?

What was the result of US covert actions in Latin America and the Middle East? Why is Michigan divided into two parts? What was another name for the battle of devils backbone? What company gave the pilgrim permission to settle in their new territory? Why was Tecumseh important to US history? What is a suspect class? Who built the first US steam locomotive? Who was the first inhabitants of America? What is value of a 1923 liberty dollar? When was the first Indian head wheat penny made? What are the names of all of the US mints? When was Cougar Town created? What country claimed the most land in Americas? What is the value of a big US one dollar silver certificate? How did spanish change native American life? What do Cahuilla Indians live in? Who won the civil war between the cavaliers and the roundheads? Was Montana a slave state or a free state? What are rare US 2 dollar bills? What are the policies of isolationism?