D it wAs was the lack of congress support
I could be wrong but I think it would be A and D I could be wrong but give it a shot.
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 :)).
The Jews believed Moses had written them a system of laws for them to follow which were called Mosaic Laws. So Mosaic Laws should be your answer. :)