Eli Whitney's court battles over his cotton gin design helped change laws

A)U. S. patent
B)invention
C)slavery
D)textile manufacturing

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.

the answer would be in this answer. someone already asked the question.  

if im not mistaken its a. collective emotional arousal