The correct answer is "to make laws" - answer D. You can see that it's connected to the laws because it's also the name of one of the three branches of the government (the legislative branch) which is responsible for making laws. (the other two : judicial: to judge and executive: to actually govern)
Hmmm. well the answer will be d or b
It is important because historians know what it was like in the past from cavemen drwaings because it shows their daiy life. They also use art to understand the past in general.