What is meant by "checks and balances" in american government? in what specific ways does this affect the ways the branches of government work with one another? what does this mean to the american system?

By creating three branches of government, the delegates built a "check and balance" system into the Constitution. This system was built so that no one branch of our government could become too powerful.

an ethnic enclave is a geographic area with high ethnic concentration,

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.