Respuesta :
Answer:
 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.