Federalism and the division of authority remain relevant concepts to be protected. The U.S. Constitution is America's main bulwark against excessive expansion of government power.
Liberals focus on the benefits of taxes given to recipients and not at all on the harm and economic disincentives incurred by those taxed to support the benefits.
The Republican view is to pursue tax policies which foster economic growth. That increases the tax base while reducing the need for government welfare payments.
We must maintain a strong defense and conduct a vigorous foreign policy when and where our national interest demands.