When the republic of california declared independence from mexico, the us government

sent troops to make it part of the united states.
sent a diplomat to offer money to annex california.
continued to fight the mexican-american war.
decided to annex other republics instead.

  Sent a diplomat to offer money to annex California.

Explanation:

  The Republic of California began when a group of American immigrants rebelled against the Mexican government in Alta California. The rebellion was encouraged in secret by the U.S. Army and it happened when the Mexican-American war was beginning.

  The rebellion began in June and in November the President sent a diplomat to Mexico in order to present an offer to purchase California and New Mexico. But the mission failed.

  I hope this answer helps you.

the answer is richard nixion

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )