How did the invention of writing make other egyptian achievements possible?

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Compare and contrast the treatment of different religions by rulers of the arab empire as soon as you can with i've been working on this test for like an hour and a half and i'm super stressed : (

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?