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· In EU5, there are four political factions: Nobles, Clergy, Burghers, and Peasants.
· Estates sometimes provide positive effects that aid the monarch's rule, but other times they obstruct the monarch for their own benefit, and in the worst cases, can even rebel.
· Since taxes and manpower are provided by the estates, a 'carrot and stick' strategy is needed to appease and satisfy them while curbing their power.
· The three important metrics in estate management are Satisfaction, Satisfaction Equilibrium, and Power.

· Satisfaction indicates the estate's mood, with 50% being the midpoint.
· High satisfaction grants positive buffs (e.g., increased research speed for high Clergy satisfaction), while low satisfaction results in negative debuffs (e.g., research delays, refusal to pay taxes/provide manpower).
· It's crucial to maintain satisfaction above 50%.
· The quickest way to increase satisfaction is 'bribery,' but it's costly and inefficient.
· The most important tool for satisfaction management is 'Privileges.' Privileges are a trade-off where you grant power to an estate in exchange for bonuses.
· Recommended privileges include:

Estate	Privilege	Effect
Burghers	Right to Build	Construction cost discount
Burghers	Commercial Advisors	Increased trade efficiency Increased trade income

· Over time, estate satisfaction gradually decreases and returns to its 'Satisfaction Equilibrium.'
· The biggest effect of privileges is increasing the satisfaction equilibrium.
· A higher equilibrium allows you to collect more taxes.
· Raising taxes lowers the satisfaction equilibrium, but by increasing the equilibrium with privileges, you can offset this drawback and maintain a high equilibrium.
· For example, granting the Burghers a privilege that increases equilibrium by 5% creates room for a 5% tax increase. Privileges and tax increases are in a reciprocal relationship.

· Granting privileges has a serious drawback: it increases 'Estate Power.'
· Estate Power is the influence estates have over politics; above 25%, it provides minor bonuses, but higher power reduces the tax limit, making it harder to collect taxes.
· The monarch and each estate share power, and high estate power weakens the monarch's power, or 'Monarch Power.'
· Low monarch power leads to many disadvantages, such as reduced trade income, lower taxes, and decreased administrative efficiency, so it's crucial not to let estate power get too high.

· To reduce estate power, you must revoke privileges, but this becomes difficult as power increases due to higher revocation costs.
· It is more effective to increase monarch power to weaken estate power.
· Methods to increase monarch power include:
· Increasing Legitimacy and Territorial Control (covered in previous lectures).
· The most recommended method is 'Appointing Royal Officials.' Appointing royal family members as cabinet ministers, generals, or admirals increases monarch power and weakens estate power.
· Strategically, you should use the 'carrot' of privileges for the Burghers, who have low power, and the 'stick' of privilege revocation for the Nobles, who hold significant power.
· Maximizing monarch power to suppress estates and control the nation is crucial.

· The Black Death starts in the east and spreads rapidly, a devastating calamity that kills 10% of the population each month.
· Inefficient countermeasures include:
· Purchasing 'medicine to cure the disease': Ineffective given medieval medical standards.
· 'Tracking the culprit': A trap option that has no effect on Black Death containment. Most event choices are ineffective.
· Effective countermeasures include:
· 'Building Hospitals': Increases plague resistance to curb the spread of infection. However, it's more realistic to focus on protecting the lives of the royal family rather than all citizens (due to cost).
· 'Halting Wars and Avoiding Troop Mobilization': Since epidemics spread through trade and armies, stopping wars is essential.
· The only effective event option is 'Quarantining the Infected.' This increases plague resistance and helps curb the spread, but you must accept the estate satisfaction penalty.

· Despite massive population loss due to the Black Death (e.g., 2 million deaths in Castile), proper countermeasures are effective in reducing damage.
· Nations that did not take action, like France, suffered much greater damage, sometimes leading to population reversals.
· After a Black Death outbreak, 'herd immunity' forms, reducing the risk of future epidemic spread.
· Strategic use: Nations with immunity can wage 'plague warfare' by spreading the disease to uninfected enemy nations to weaken them.
· The next lecture will cover the 'Council,' which is useful for both warfare and internal affairs.