What impact did Sarah Boone's ironing board made to life?

Why is patriotism important in the US? What did the Declaration of Independence formally announce? How do you know if the 1923 us peace silver dollar is uncirulated? What was the political rivalries between empires in Europe made North American exploration so appealing? Did the us nickel ever contain silver? Why were the border states called that? How much money did World War 1 cost the US? What is the value of a 1936 buffalo nickel Philadelphia mint? What hardship did Levi Strauss have when he came to America? Where did the union blockade took place? What are the 4 gold coins the eagle appears on the reverse side? What was happening in the us before the Battle of Shiloh occurred? Did the colonist obey the proclamtion of 1763? Who held all the important positions in colonial Latin America? What did jumanos hunt? The process of redetermining how many representatives each state gets? Who was on the nickel before Jefferson? What years were half dollars all silver? How much did stamps cost in the 1930's? What are some synonyms for the word subjugation?