In which location did most of the earliest civilizations develop?
plains
mountain ranges
tropical islands
river valleys

At the casablanca conference, allied leaders signed an agreement to share military technology decided to launch an invasion of southern france agreed to accept only the unconditional surrender of the axis powers agreed to form a scientific team to create the atomic bomb

Which areas where seperated by the iron curtain

The northwest ordinance guaranteed three rights for the settlers of the northwest territory. what were they?