I don't think TV is as important now as it was back then because other than going outside and socializing there wasn't much to do on your own. TV opened up a whole new cultural aspect in America and allowed news to spread more widely.
B. to help freed slaves adjust to freedom
'a document about the future of slavery in all territory acquired from Mexico'.
Becasue the Wilmot Proviso put forward a law to ban slavery in states that had been taken over by Mexico in the Mexican War.
Zachary Taylor is the answer