In countries with federalism, subnational governments are always represented in the upper house of the national legislature, enabling regional interests to influence national lawmaking. true false

The statement is true. In countries with federalism, subnational governments are always represented in the upper house of the national legislature, enabling regional interests to influence national lawmaking.

Explanation:

Federalism is a form of state in which sovereignty is shared between the central or national or federal level and the states.  This sharing of sovereignty is shown within Congress, in which there are two chambers, one based in population and other in which each subnational entity is represented equally.