The correct answer is A.
The origins of McCarthyism lie in a speech given by Joe McCarthy in Wheel West Virginia in 1950. In this speech he claimed to have a list of 207 names of individuals working for the US government that were communist or had ties to the Soviet Union. This claim shook the nation, as it increased a sense of paranoia and fear that the American government may be filled with communists.
The vast improvements made in the field of medicine have served to lengthen our life expectancy and to reduce the rate of infant mortality.
The discovery of mechanization, better seeds, better techniques of irrigation and pest control, has worked to increase productivity levels on farms.
In transportation, railway, modern ocean liner, jet plane, and motor vehicle have made our lives more comfortable and provided great possibilities for modern commercial development and industrialization.
The invention of the computer has assisted the process of calculation in laboratories
Technology has made communication much simpler in recent times.
Science has brought about groundbreaking solutions to numerous deadly diseases.
Man is able to explore the space extensively because of the wide-scale development in technology.
Our life has become healthier and longer.
Modern hygiene, sanitation, medicine and surgery are conquering more and more physical and mental ills day by day. We now know and experience the joys of good health and longevity.
Disadvantages of Science and Technology
Machines have led to unemployment.
They have polluted water and atmosphere. They have caused noise pollution.
Factories have led to slums where human beings live in squalor.
Our moral and spiritual progress has failed to keep pace with our scientific progress.
We have allowed science to master us instead of using it as our servant.
Machines make us mechanical, deaden our sensibilities, stifle our creative talents, force mechanical regularity, uniformity and boredom upon us, increase our wants and desires, and tend to make us selfish, greedy and cr
