Why is it useful for historians to base certain studies on the analysis of geographic regions

Which of these statements best describes the court's ruling in new jersey v tlo? students are not protected under the fourth amendment. students are protected from unreasonable search and seizure, the fourth amendment was found to be unreasonable, every time a student is searched, a police officer must be present.

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

How did slavery end in the united statesa. it ended with the emancipation proclamationb. it ended when the union won the civil warc. it ended with the fifteenth amendmentd. it ended with the 13th amendment