The three nations that explored most of the US were?

The Red Scare a period of anticommunist hysteria in the United States during 1919 and1920 was largely a response to what? Why did the NAACP decide not to help the Scottsboro boys? How did chief Joseph affect us history? A major impact of the columbian exchange on western Europe was the introduction of? What is the value of an 1833 liberty silver dollar? How much is an E Pluribus Unum coin made in 1884 with an S below the eagle and a bit of writing on the front worth? What is the value of a 1776-1976p bicentennial quarter? Why did Americans decide to move west across the Appalachian Mountians? What are the major developments between 1848 and 1861? What four new states where in 1889? If you are born in America to Haitian parents are you American or Haitian? What is 1981 one cent worth? The economic institution proposed in this petition for founding colonial settlements was rejected in favor of which alternative? How was much of the south had to be rebuild result of the civil war? Why did the civil war last so much longer than initially expected? What statement is true regarding the end of the Reconstruction era? How can I use revolutionary in a sentence? Did Norbert Rillieux face any obstacles in his inventing career? How would high tariffs help in America? Why did slavery continue in the south after the revolution?

The three nations that explored most of the US were?