Final answer:
Coalition governments face challenges in agreement due to ideological differences, but coalition-building is vital in democratic action, promoting negotiation and compromise within the system.
Explanation:
Coalition governments, common in Europe, face challenges in reaching agreement on reforms due to ideological differences. For stability, they may compromise or face consequences like the example of the Liberal Democrats breaking a pledge on tuition fees in a coalition government. Coalition-building is essential in democratic action, fostering negotiation, compromise, and working within the constitutional system (Ravitch). Deep divisions can make forming and maintaining coalition governments difficult but don't necessarily indicate system instability.
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