Who was sent to mexico to negotiate the rio grande as the border of texas.

treaty that ended the Mexican War and made boundaries of Texas and gave the USA California. he was sent to Mexico, by James K Polk, to negotiate an agreement whereby the Rio Grande would be the southern border of Texas.

answer=(oversee the conversion of peacetime industry to war industry)

hope this : d

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers