Which is the best example of checks and balances?
a) congress may override a president’s vetoing of a bill.
b) the supreme court bases its judgments on constitutional law.
c) the president works to ensure that existing laws are enforced.
d) the constitution may be amended to fit changing circumstances.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it