A series of technological innovations that led to a dramatic growth in agricultural production in the 1950s and 1960s

The extra emphasis placed on environmental concerns, particularly in the Western world, to try and counter the effects of the Industrial Revolution and global warming

The emergence of political parties in Europe that advocate for a return to an agrarian and simpler way of living

The growth of agriculture and industry in the central United States in the 1980s and 1990s

The emergence of the Indian industrial movement following the end of India's flirtation with socialism towards the end of the twentieth century

Alexander Fleming

Jonas Salk

John Baird

Karl Jansky

Nikola Tesla

World War One

the Crimean War

World War Two

the American Civil War

the Russo-Japanese War

Far fewer soldiers die from infections picked up through injuries sustained in battle.

Fewer soldiers die from diseases carried by mosquitoes.

The adrenaline level and focus of soldiers is dramatically improved, allowing them to be more efficient fighters.

Generals no longer have to worry about their armies being decimated by sexually transmitted diseases.

All of these answers are correct.

pioneering research in radioactivity

self-sacrificing mission to promote legal access to birth control for women

dangerous work on the Manhattan Project

decision to sell state secrets to the Soviet Union

imprisonment during the Civil Rights Era

computing power will double roughly every two years

two industrial, democratic nations will never declare war on one another

human beings will colonize space before the end of the twenty-first century

eventually the computing power of machines will surpass that of human beings

by allowing the weakest and least productive members of society to survive, and sometimes prosper, mankind is impeding the evolutionary process

the first man-made satellite to orbit the Earth

a Soviet spy program

a Soviet developed nuclear weapon

a nuclear non-proliferation treaty signed between the United States and the Soviet Union

a Russian propaganda program

inventing the world's first effective polio vaccine

inspiring the Green Revolution with his invention of pesticides

inventing the television

his work on the Manhattan Project

the development of radar