What problem has not been caused by suburbanization ? a: sometimes replaces valuable farmland with sprawling development b: because most people in suburbs rely on cars for transportation c: traffic jams and crowds make it difficult to get around

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.