Hawthorne discovered that:
a. social factors have an important impact on performance
b. studying workers has no impact on worker performance
c. breaking up tasks into smaller ones leads to an increase in performance
d. the size of a team does not affect performance

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.

i looked up you question and i found this on quizlet i hope this is one of your answer choices.

modern american cars are not available due to trade restrictions

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

answer; presidential election years;