Progressive leaders pushed for these laws to guarantee the safe packaging and sale of food after the rapid rise of cities caused dirty, unsafe practices in the young grocery industry:
a. truth in advertising act and nawsa act
b. pure food and drug act and the meat inspection act
c. national labor act and mine inspections act
d. prohibition act and temperance act

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.

randy pausch was a famous mathematician, writer and lecturer who is particularly famous for his last speech, given in 2007, "the las lecture", because he illustrates why one's dreams need to be pursued in a logical order if success is to be obtained, option c. at this time, pausch had been diagnosed with terminal cancer so he told the audience to follow their childhood dreams, which were possible to achieve. it has been recognized as one of the best motivational speech around the world.

estoy bastante seguro de que la respuesta es una

estoy bastante seguro de que la respuesta es una