Did sagawea contribute to the history of the world?

In 1850 what European country was the dominant power on the Italian Peninsula? How did the battle of trafalgar impact british culture? What is the history behind the bear skin hats? What is the role of women in this world? What four countries made up the central powers during world war 1? Did Balboa actually marry an Indian princess and have 3 children together? Robespierredanton and morat are associated with the attempt by the french revolutionary government to? What was the time after the Renaissance? Who was the first martyr of revolt of 1857? What body of water blocked futher expansion of Florida to the west? Why was religion so important in Tudor times? What started ww1 and who declared war first? Where was David Livingstone heart buried? Why is the concept of one world important to Persia? What happened April 13? Names of Marie Antoinette's 10 sisters and who are they? What has changed throughout history? What would happen in ww1 if you breathed in gas would you cough up the inside of your lungs please help me im taking history for one of my GCSE subjects and i really need a good mark? How many copies of the treaty of waitangi were made? What is an African Creole?