America did this so that japan would surrender in ww2
They passed the Tea Act to save the East India Company from bankruptcy
The convention of 1786 was actually called the Annapolis convention and its goal was to discuss and develop a consensus about reversing the protectionist trade barriers that each state had erected. The Constitutional Convention happened in 1787 and its goal was to revise the Articles of Confederation.
Hello!
The first is known as the separation of powers (also referred to as checks and balances).
I am not entirely sure about the second, but I believe that the answer is the Senate.
I hope this helps you! Have a lovely day!
C. Keeping merchants running the country