Which battle gave the union unrestricted access to the mississippi river after a long siege? antietam gettysburg petersburg vicksburg

Mens rea is a latin term that means guilty mind and refers to the concept of whether or not a person intended to commit a crime. why is mens rea considered a key component in many types of crimes?

With state which alliance promoted goals and protection of the united states and which alliance promoted goals and protection of the soviet union. site and explain evidence from each primary source to support your answers.

Need asap plz ! looking at the map what effect might have geography played in americans having a political revolution against their king in great britain?