In paragraph four of Federalist No. 10, how does Madison justify his assertion about extensive republics? Click here to read the excerpt.

He asserts only that better candidates will be chosen if a large number of citizens are participating.
By withholding further relevant support, he stands by his opinion as originally stated.
He asserts that the large republics present the greater probability of a fit choice of representatives.
After making the assertion, he offers two obvious considerations that support it.