What were some difficulties that the lowell girls had to overcome when working at a textile mill?

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above

Sara and her friends were at an iowa football game in iowa city. sara is a life long resident of iowa and goes to college at dmacc. while she was in iowa city, robert smashed into her car when he ran a red light. sara was seriously injured and taken to university hospitals in iowa city (fortunately her injuries were not life threatening but laid her up for a long time and she had to drop out of college for the rest of the semester). robert is from michigan and was in iowa city to see the game and then to party later. at the time of the accident robert was drunk (at least legally - he blew a 0.17 and the limit is 0.08). sara has sustained about $500,000 in damages between her current and future medical bills, pain/suffering, lost wages, etc. also her car was totaled in the accident. can sara sue robert in a federal court? explain why or why not. (be sure to mention the two primary factors associated with suing someone in a federal court in a case like this.)