Congress's power to override a veto and impeach a president is an example of which item below?
a. federalism
b. checks and balances
c. party politics
d. separation of powers

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .

The long english tradition of figured prominently in the founding fathers' discussion of the ownership of firearms. a) police squads b) target practice c) aristocratic rifle associations d) militias

Identify and describe the purposes of taxation.