read the sentence.
the students read many books, piles lay all around the library.
which revision corrects the comma splice?

Countries of eastern europe.

Jackson  said nullification 'means insurrection and war,' and called it a treasonous attack on america. the second aspect of the  force bill  was the passing in congress of a lower tariff in 1833. this was offered as a compromise to avoid conflict with south carolina, and to attempt to defuse the tense situation.source google