There are alot of factors that make it hard for archeologist and historians to search about the indus valley.the most highlighted factors are the enigmatic nature of Indus valley civilization means there is no clear connection to any continuous literary traditions.they have a much harder time imagining the life of Mohenjo-Daro because there isn't any reliable information about the culture of it. the fact that they cannot read the language(s) of the Indus valley means a lot!
To maintain separation of powers, and to maintain the popular vote are both correct!
Grant and his Army of the Tennessee crossed the Mississippi River and drove the Confederate Army of Mississippi, led by Lt. Gen. John C. Pemberton, into the defensive lines surrounding the fortress city of Vicksburg, Mississippi.
You will need to head to the state capital and ask in the capital or you can check online.