What are some of the constitution's main ideas its influences and a compound compromise that allowed for its passage

According to articles, the main ideas of the U.S constitution are

Article I: Legislative branch founding

Article II: Executive founding  

Article III: Judicial, or supreme court founding

Article IV: Establishing the necessities and relationships of the States.

Article V: How to amend the constitution

Article VI: Establishing Supreme Law

Article VII: Rules for ratification

Also what you could be looking for are the principles that the constitution establishes. They are the rules of:  

Popular sovereignty, Republicanism, federalism, separation of powers, checks and balances, limited government, and individual rights.

in all honesty, it really hasn't. except that hitler killed himself.

well the fact it is basically a peninsula allowed trade to come from many places, thus allowing cultural diffusion to take place. india has seasonal monsoons that merchants travel back and forth from india using the monsoons wind patterns