Which of the following political party roles involves criticizing the party in power and offering solutions?

The role of acting as a watchdog is central to the function of political parties, particularly those not in power. This involves scrutinizing the actions and policies of the ruling party, identifying potential abuses of power or mismanagement, and advocating for accountability. By doing so, the watchdog party plays a crucial function in holding the government responsible to the public.

This role also includes proposing alternative solutions to issues faced by the country, thereby presenting a contrast to the current administration's policies. By articulating criticisms and suggesting improvements, the watchdog party not only informs the public about shortcomings but also engages in a constructive debate about governance and policy.

The other options do not encompass this critical function. Linking different levels of government focuses on coordination and communication, while informing citizens pertains more to educating the public rather than directly opposing the government. Helping manage government typically refers to the responsibilities of those in power rather than offering critiques from the opposition. Thus, acting as a watchdog stands out as the primary role involving critique and solution crafting.