Were all of the pyramids in egypt used for the same thing

Why did the german kingdoms unite into one nation of germany?

What were the economic, religious and social/political factors in the abolition of slaves

Which conditions did austria demand of serbia after the assassination of archduke ferdinand? check all that apply. 1. swearing allegiance to the triple alliance 2. accepting responsibility for the assassination 3. turning over control of its military operations 4. surrendering half of its most fertile lands 5. suppressing anti-austrian groups and publications