1. Control of natural resources of colonies
2. The imperialistic nature of hegemony on government (couldn't have power w/o owning colonies)
3. Governments such as Spain, France, and the UK wanted to spread Christianity
4. They wanted to explore and exploit the unknown
Two ways:
Elections
or
Direct public input to their representatives via phone, mail, email and public political events.
The major downfall of the Articles of Confederation was simply weakness. The federal government, under the Articles, was too weak to enforce their laws and therefore had no power. The Continental Congress had borrowed money to fight the Revolutionary War and could not repay their debts.
Hope this helps!