Answer:
During the war, the United States was supplying goods to the nations opposing Germany. This led to Germany conducting unrestricted submarine warfare where they would perceive any convoy supplying their enemies as enemy ships. This meant that they started sinking ships of neutral US and angering the nation.
An electronic calendar would be an example of software. The remaining things which you've mentioned in your questions would be examples of peripheral devices (so mouse, scanner, and monitor :)).
Answer:
voter elect members of the legislative branch
Nazi forces, knowing they were losing the war, were determined to screw everything up for the Allies as much as they possibly could.
