Help me with this please

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

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?

By june 1943, the allies had regained control of north america. what was the advantage of controlling this region? what would you describe the axis's situation in europe in 1942? how might the axis have benefited by gaining control of great britain by 1942? the last questions of my quiz 10 points more than normal answer it honestly so i can get a good grade < 3