What are key features of a linear function?

Key features of a linear function is a function is linear if it’s graph forms a straight line, the line is straight because the variables change at a constant rate, they have a constant rate of change

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.