What challenge did perishing face in 1971?

Large regions of land that were added to the US? Why did many African-Americans migrate to cities like Richmond Atlanta and Charleston? Was the raid on Harper's ferry with pro-slavery or antislavery? Where is the mint marks on Washington quarters in the 1940s? True or false the main issue in the election of 1844 was expansionism? What are the advantages and disadvantages of a moon colony? Was the criticism of the Truman Doctrine? How did south view slavery? What is the value of a 1900 US 20 dollar bill? What does new south mean? What items did the pioneers need to take on their journey west? The goal of the americanization movement was to? What is the value of a 1954 us one dollar silver certificate? What is to redistrict? Lincoln chose as commander in the Western Theater.? How much is a 1954-d wheat penny? How did early American foreign policy influence the nation's relationship with its neighbors and Europe the nation's boundaries and westward expansion? Why would Fred M. Vinson's signature appear on a 1934 US 20 dollar bill? What item introduced to the Americas in the Columbian Exchange do you think was most important why? What is in the back of the us ten dollar bill?