Need plz! doesn't have to be perfect. (98 points)
explain how specific inventions and innovations changed daily life and society in the late nineteenth and early twentieth centuries. give two examples.

The radar during war could spot planes before they appired and the heart transplant

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.