In all modern political systems, the people who have the legitimate authority to manage the state and exercise the state's power are collectively known as the

Government

Explanation:

In all modern political systems, the people who have the legitimate authority to manage the state and exercise the state's power are collectively known as the government.

The government is a group of people to whom political authority has been bestowed on to manage the state and exercise the state's power. They are known as political rulers, examples are; presidents, governors, senators.

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.