How do externalities encourage/discourage decisions that we make?

And whereas our provinces in north america, have been frequently ravaged by indian enemies, more especially that of south-carolina, which in the late war, by the neighboring savages, was laid waste with fire and sword and great numbers of english inhabitants, miserably massacred, and our loving subjects who now inhabit them, by reason of the smallness of their numbers, will in case of a new war, be exposed to the late calamities; inasmuch as their whole southern frontier continueth unsettled, and lieth open to the said savages. and whereas we think it highly becoming our crown and royal dignity, to protect all our loving subjects, be they ever so distant from us; to extend our fatherly compassion even to the meanest and most unfortunate of our people, and to relieve the wants of our above mentioned poor subjects; and that it will be highly conducive for accomplishing those ends, that a regular colony of the said poor people be settled and established in the southern territories of carolina."- from  charter of georgia, 1732 based on the passage, it can be determined that the main reason the king of england wishes to establish a new southern colony is becausea)he wants to provide a safe haven for all of his loyal british subject'sb)he wants to protect the fathers of each family in order to keep them safe.c)he wants to make sure there will be enough soldiers in the event of another war.d)he wants to use the new colony to protect the other colonies from attack

1u.s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )

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.)