What part did the alliance system play in the events that led to world war i? countries that were in alliances with other countries were obligated to support their allies when war was declared. alliances enabled countries to cooperate in establishing large colonial empires. countries that were in alliances with other countries were guaranteed that they would not have to go to war. the countries in one alliance system were not allowed to trade with countries in competing alliances, which further divided europe.

A. Countries that were in alliances with other countries were obligated to support their allies when war was declared.

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