What did roosevelt mean when he said that america had just turned a page in american history after the battle of san juan?

Roosevelt was referring to the significance of the Battle of  San Juan as it brought an end to the Spanish American War. Lt. Col. Theodore Roosevelt led his “Rough Riders” up the San Juan Heights against heavy artillery fire to help end the Spanish-American War.

peasants’ war, (1524–25) peasant uprising in germany inspired by changes brought by the reformation, peasants in western and southern germany invoked   divine law to demand agrarian rights and freedom from oppression by nobles and landlords. as the uprising spread, some peasant groups organized armies. although the revolt was supported huldrych zwingli and thomas müntzerits condemnation by martain luther contributed to its defeat, principally by the army of the swabian league. some 100,000 peasants were killed. reprisals and increased restrictions discouraged further attempts to improve the peasants’ plight.

i think it would be " a" i might be wrong tho

b. sec, foreign relations