After the Louisiana Purchase, from which country did the United States gain the most territory?

Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

Which of the following actions best shows how a historian would study the historiography of the french revolution? o a. reading about how earlier historians wrote about the french o b. creating a map of the important events of the french revolution o c. writing an unbiased history book about the french revolution's revolution leader o d. placing key events of the french revolution in chronological order

What is the term for a short statement about history that has not been yet been proved