Population growth is influenced by improvements in

Population growth is influenced by improvements in increased food production, improved health care services and high birth rate; Immigration has also contributed to population growth as people from developing countries move to developed countries to seek better prospects. Yet, these factors have also led to overpopulation, which has more negative effects than positive impacts.

The answer to the question is a.

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.