Examples, facts and statistics are all types of strong evidence that could be used to support a claim in a debate. Examples are very useful in debates because they allow the speaker to show how his claim takes place in the real world. Facts are useful because they have significant research behind them and are accepted as reality. Finally, statistics provide numerical evidence of the claim. However, anecdotes and opinions are not examples of strong evidence because they are not objective or universal.
Because number of votes needed to pass a law under the Articles of Confederation Congress needed 9 of 13 states to pass any laws. Requiring this high supermajority made it very difficult to pass any legislation that would affect all 13 states.
