What key compromises did delegates to the constitutional convention make?

The Constitutional Convention took place in 1787 and is known by many other names also like Grand Convention at Philadelphia, The Federal Convention or the Philadelphia Convention etc. The key compromises include the Great Compromise which solved the issue of representation in Congress. Three-Fifth Compromise according to which every five slaves were equal to three free people. Trade Compromise where the president was given the power to sign contracts with other countries given the condition that two-third of the Senate approve the contract. The other compromises included Slave Trade Compromise and the Electoral College.  

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

“a committee reviews the bill and marks it up to make it more viable and to reflect interests