They Vote duhhh
India and of course America that's why we can choose our leaders
Self determination
Self-determination.
People who are citizens have a responsibility to vote in elections, to choose representatives in their governments.
Passport bar codes are usually scanned at most airports. Many Governments can track this way if they choose.
Only governments can put a price on carbon and make sure businesses pay it. Oil companies have little interest in preventing global warming. They want profits for their shareholders, so they will not act without pressure.
One of the forms of Government is a DEMOCRACY or Democratic Government. In this form of Government, the people of a country choose their leaders through a majority vote.
The European Union is an organisation, not a country, so it does not have a government. It has countries that are members and those countries each have their own governments. They are all democracies, and have elections to choose their governments. There are also elections for countries to send representatives to the European Union institutions.
The framers of the Constitution chose Federalism because they wanted both the Federal and State governments to have power. They wanted to ensure that no one group had all of the power.
It is because they are ruled by central government and hence have no elected governments therefore are controlled by president's appointed officials and are not independent to choose their own representative.
Indian Tribes are sovereign nations unto themselves, and do not necessarily have to subscribe to, or obey, Federal Law if they choose not to.