1) Checks and Balances- This idea is implemented in the Constitution to ensure that no one branch of the federal government gains too much power. For example, the legislative branch(Congress) can approve a bill that will then be sent to the executive branch (President). If the president does not like the bill or thinks that it violates the rights of citizens, he/she can veto the bill. Vetoing the bill stops the bill from becoming a law. This check on power ensures that Congress makes laws that do not violate the rights of citizens.
2) Anti-Federalists do not want to ratify the Constitution unless it includes a Bill of Rights. The Anti-Federalists are worried that the Constitution gives too much power to the federal government. Having a strong central government caused problems when the US was still part of Great Britain. This is why the Anti-federalists are fearful of this type of system.
3) Federalists want a new constitution passed because it will fix America's weak political structure. Before the US Constitution is implemented, the constitution being used is known as the Articles of Confederation. This constitution has an extremely weak central government, allowing for disunity among the states.
Check and balances : This is a provisions in the constitution to ensure that each arms of government such as the executive, the legislature and the judiciary.
The executive has the power to implement the law, while the legislature has the power to make the law. If the executive want to spend they have to send an appropriation bill to the parliament to be passed. Once it is passed and it is assented to by the president it becomes a law.
In the same way, the president has the right to veto any law made by the parliament by withholding his assent to the law. Also the judiciary has the power to interpret the constitution and also declare any unconstitutional law made by the parliament null and void.
Answer: They traded and learned from each other. The Rome's allies helped it conquer other lands but were tricked because they were being conquered themselves.
