Each state has their own voting requirements when it comes to voting either in a national or local election. The commies are trying to change that but you can't fight the Constitution. They wouldn't have the power to get it passed anyway as surveys show most Americans are against the idea.
You need a valid ID for most things in the country. You need one to buy a pack of cigarettes, a 12 pack of beer, to board an airplane, to get a home loan, to cash a personal check, to get a VISA, just a number of things. It would almost be impossible to live here without any kind of ID unless you lived out in the street.
Roll purges are used to eliminate people who did not vote in a number of years. They send out several mailers to the people they plan to remove unless they respond with the postage paid envelop stating they want to remain on the rolls. There is no law or requirement that institutions that handle dead people have to report it to the deceased place of voting, or that people must alert their voting officials when they leave the district or state. In fact I was watching one report where in Georgia, they found over 10,000 voters that voted twice; once in from their former place of residence, and once at their new residence, and they haven't even gone through the entire list yet.