9.1

Question 1

radio

Answer 1

technological development that spread news, music, adn cultural events

Question 2

shipping containers

Answer 2

allowed for mass transport of goods and people

Question 3

internet

Answer 3

a technological development that connected the entire world with news, movies, and music

Question 4

Green Revolution

Answer 4

development of scientifically modified plants that gave higher yields and seemed like a solution to world hunger

Question 5

crossbreeding

Answer 5

breeding two varieties of plants to create a new breed

Question 6

genetic engineering

Answer 6

manipulating a natural organism scientifically to change its makeup

Question 7

antibiotics

Answer 7

Medicines useful in fighting off bacterial infections

Question 8

birth control

Answer 8

allowed women to reduce fertility rates

Question 9

fertility rates

Answer 9

rate of the number of children each woman in an area will have in their life

Question 10

vaccines

Answer 10

preventative medicine to prevent deadly diseases widely introduced in the 1900s