According to Source 1, what common feature did De Soto, La Salle, and d’Iberville’s expeditions have in common?

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

Which of the following would a historian most likely study to find data