How does organizing the past by period differ from organizing the past by theme?

The embargo act of 1807  was a law passed by the united state congress and signed by president thomas jefferson on december 22,  1807. it prohibited american ships from trading in all foreign ports. in 1806, france passed a law that prohibited trade between neutral parties, like the u.s., and britain.

Where are the statements

The idiot who could play like a donkey!