U. s government! ! which of the following is a true statement? a. the citizens of a state may only register to vote after proving to have submitted their census survey. b. the census is a flawed tool because census workers do not attempt to count all citizens, only a sample. c. the main purpose of conducting a census every 10 years is to determine representational apportionment. d. the majority of apportionment changes are due to state-level data collection and not national census data