Here - next time, use Internet and do it yourself....
1 - 200 years I'm not sure on that one, (264-133 BCE) is the punctual.
2 - Generals
Jeez... who conquered the lands? Roman army! Who led them? Generals! and as Generals, they had certain privileges, of enjoying the finer points of life, e.g. culture or art.
3 - Marble and bronze copies of famous Greek statues were made -
The Romans are often accused as a copycats, because they mass - produced the Greek art. in all forms, however, theirs was also improved, because their sculptors tended to made it more life - like, and not strict perfection, like Greek ones had. See their sculptures of famous people - Julius Caesar, Augustus Aurelius, and so on. Also valid for other arts - mosaics, painting and so on.
4 - Bronze
/Sweat drop/ What do they teach in schools nowadays? The sculptors used tools made from bronze to form out their sculptures.
5 -Dunno, see for yourself