What has been one important result of Texas's unique balance between classical liberalism, social conservatism, and populism?

Texas have adopted a "low taxes, low services" approach to government.

Explanation:

Classical liberalism is a political philosophy and ideology belonging to liberalism in which primary emphasis is placed on securing the freedom of the individual by limiting the power of the government.

Social conservatism, is a political philosophy that supports what its adherents believe to be "traditional morality".

Populism refers to a range of political stances that emphasize the idea of "the people" and often juxtapose this group against "the elite".