Why are the miranda warning, the sixth amendment and the fifth amendment so important when someone is arrested

The miranda Warning is an issue warning people that they have the right to remain silent, so they cannot be further prosecuted until in court.  The sixth amendment is the right to a fair and speedy trial, and the fifth amendment maintains innocence until proven guilty, and also the right to not be held guilty for an unjust charge.  
These are all important because they represent basic American rights that are extended to all citizens, and are a major part of the United States' justice system

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.