Idrk but probably farming if they were agriculturally minded.
The purpose of a ziggurat was to create a place for deity - it had many levels and it was a huge temple. Each level was a sub-temple for less important gods, while the highest level was believed to be a place reserved for the most important god.
Yup! The answer is C! I made sure! :)
This statement is somewhat justified, since Wilson pushed for a body that would put an end to conflicts like World War I, but he alone was not the single founder, since it took many countries to participate.