Varieties of criticism
Conservative criticism has nothing much to do with "left-wing" or "right-wing", because left-wing people are often very conservative, in the defined sense, while right-wing people can also be very radical, in the defined sense. The difference between "radical" and "conservative" has more to do with the belief in whether "a change to something genuinely new" is really possible and necessary. Radicals typically believe strongly that such change is highly desirable and necessary, and that it can be achieved. Their criticism is that there is "not enough" change. Conservative critics, by contrast, are very skeptical about any such change, because they feel the change is really "just another form" of something that already exists.
Conservatism in the United States
There are two overlapping subgroups of social conservatives—the traditional and the religious. Traditional conservatives strongly support traditional codes of conduct, especially those they feel are threatened by social change and modernization. For example, traditional conservatives may oppose the use of female soldiers in combat. Religious conservatives focus on conducting society as prescribed by a religious authority or code. In the United States, this translates into hard-line stances on moral issues, such as opposition to abortion and homosexuality. Religious conservatives often assert that "America is a Christian nation" and call for laws that enforce Christian morality.