When One American Military Officer in the Mexican War Complained

When one American military officer in the Mexican War complained of a "thousand prying eyes and brazen tongues," he was mostly referring to .

A) photographers who used the recently invented daguerreotype to capture images of the war
B) "war correspondents" sent by the press so that they could be independent of military reports
C) antislavery factions who were concerned that gaining Mexican lands would increase slavery
D) Mexican guerrillas who launched vicious attacks on United States forces in Mexico