1. what is an ultimatum? 2. what was the Austrian ultimatum to Serbia? (what did they demand? what would happen if refused?)

What was the main aim of operation torch which was launched by the allies

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

Brainliesttt !me : ) how did the world react to liberalization measures from the soviet union?