Which sentence contains a misplaced modifier?

as karen arrived, she saw the band on the stage.
the band played songs for the crowd with guitars.
karen knew nearly every song the band played.
she danced and laughed almost all night long.

i think the answer is b, but not sure.

Complete the paragraph about imperialism

What can you infer about how the particular events in "the memoirs of the conquistador bernal del diaz de castillo" still affected the writer at the time of writing his memoir? he thinks of his dead crewmen with sadness and regrets that they died for nothing. he is still frustrated that one of his men accidentally kills himself by drinking too much water.  he thinks wistfully about the wealth he may have enjoyed if they had found gold in the yucatan.  he still considers indians liars. 

What part of speech are all the spelling words? 30 points acceptance alliance allowance blessedness brilliance circumference compliance concordance credence dependence effectiveness exuberance gratitude greatness hindrance insurance intelligence loveliness musician nuisance patience reliance residence resistance