Which is the best example of the executive branch seeking to increase its power in relation to the other two branches? a) harry truman's decision to use atomic weapons against japan to end world war ii b) lyndon johnson's "gulf of tonkin resolution" in response to vietnamese attacks on u. s. warships c) richard nixon's "vietnamization" program that reduced the number of american forces in vietnam d) franklin roosevelt's "court packing" bill that would have allowed him to add pro-new deal justices to the supreme court