Nathan laughs when his grandfather describes him as a "cool cat." "That’s how we used to describe someone who is neat, pleasing, good," his grandfather says. "Not anymore," Nathan replies. This exchange reminds us that language is .

Arbitrary

Explanation:

The exchange merely serves as a reminder that language is arbitrary. It is subjective and not objective in nature.

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.