Some of the pros of liberalism is that it usually pushes for the rights of the downtrodden and underrepresented in society, while the cons are that it can lead to the downfall of tradition. Some of the pros of conservatism is that its usually associated with strong national security, but a major con is that it can lead to class inequality and struggle.
It helped rule out segregation on public buses
Was a bloody and useless war ended nothing solders were on drugs and super sick and tired.
Because of Medicaid and Medicare, it was the administration of "Lyndon Johnson" that was seen as making great strides in health care, since Johnson wanted to improve the lives of average Americans.
Most monarchy adds a parliamentary system which is either directly or indirectly elects a prime minster