How did the song dynasty contribute to advances in transportation?
a- by inventing the magnetic compass
b- by inventing gunpowder
c- by inventing paper money
d- by inventing sail boats

Will give brainliest and a will put up a free point questionthe following question refers to a hypothetical situation. the 2010 supreme court case, wagner v. tritch, involves the illegal distribution of copyrighted material to foreign consumers via the internet, which is a new area of law. the 9-0, unanimous vote on the court is set to overturn the lower appellate court decision that augustus tritch was liable for millions of dollars to the plaintiff, frederick von wagner, for illegally distributing his book to overseas customers. now that the court has voted on the case, explain what must happen next? describe the different types of opinions that could come from the court.