The given question asks us to identify which argument is not in favor of power sharing in a democratic political system.

Option 1 states that power sharing reduces conflict among different communities. This argument suggests that by involving different communities in the decision-making process, power sharing helps to address their concerns and prevent conflict. This is a valid argument in favor of power sharing.

Option 2 states that power sharing prevents the majority community from imposing its will on others. This argument highlights the importance of protecting the rights and interests of minority groups in a democratic system. It promotes inclusivity and prevents the marginalization of minority communities.

Option 3 suggests that all individuals who are affected by government policies should have a say in the governance of the country. This argument emphasizes the principle of citizen participation and ensures that decisions are made in the best interest of all stakeholders.

Option 4, the correct answer, states that power sharing speeds up the decision-making process and improves the chances of unity in the country. This argument is not in favor of power sharing as it suggests that a centralized decision-making process without consultation could be more efficient. However, this argument disregards the importance of inclusive decision-making and the need to consider diverse perspectives for better outcomes.

Therefore, option 4 is not one of the arguments in