What do you mean by check and balance?

Checks and balances is a principle of government under which separate branches are empowered to prevent actions by other branches and are induced to share power. Checks and Balances are meant to keep power distributed rather than having one area of government holding too much power.

HOPE THIS HELPS :)

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the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances