Checks and balances
supreme court is granted power to overturn congressional laws that violate constitution. the courts however should exercise judicial constrain while doing that, to ensure the do not injure the principle of separation of power. usually they all restrain themselves to comparing whether the new law contradict the establishment clauses which would require a referendum, or the wording and legal process was followed. This ensures congress is checked.
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The government created at the Constitutional Convention was similar in respect to the jurisdiction states obtained, branches of government (Judicial, Executive, Legislative). These were put in place to balance one another, they also added the concept of elections to be carried out to select government representatives. Furthermore, the adoption of Naturalization, and the ability to create more states. Hope that helps you...
