Answer:
An important feature of the US Constitution is its provision for a system of checks and balances explain the purpose and structure of the system of checks and balances and give an example of how it works
The system of checks and balances is an important part of the Constitution. With checks and balances, each of the three branches of government can limit the powers of the others. This way, no one branch becomes too powerful. ... the power of the other branches to make sure that the power is balanced between them.
By airlift. Western allies took to skies and arranged airlifts to bring supplies to the people of Berlin.