Finally, something that I study in Australia; The answer is B.
Article IV of the US Constitution establishes the responsibilities of the states to each other and the responsibilities of the federal government toward the states. Section 1 of Article IV requires that the states give “full faith and credit” to the public acts and judicial proceedings of every other state.
I dont know ,show a picture
You didn't really provide the letter out of which we should be able to deduce the benefits. However, Crusaders would say that the benefit of the crusaders were that they regained the holy land and could also profit out of this either by looting and pillaging neighbouring muslim villages or because they thought they were closer to God this way.
Glasnost can be best described and best translated as "openness". It was supposed to be associated with the freedom of speech, where the press and the public could attend court hearings and for the sentence to be read out in public. You could also link glasnost to transparency. It is also particularly attached to reforms of the judicial system, so a sort of extra transparency for the judicial branch of government.