Geographical features such as mountains and rivers allowed the ancient civilizations of india and china to flourish. which two statements support this idea?

what is the "did this mean" there is no picture. edit your question with a screenshot.

answer; /// i believe that the correct answer is (d)the huang he river valley;

this is a false claim the emancipation proclamtion freed all slaves in the rebillion states

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.