World War I happened from 1914 to _____.
What is 1918?
Millions of these animals were used to move people and supplies.
What are horses?
In the 1920s, this became popular in homes for music and news.
What is the radio?
WWII happened from 1939 to _____.
What is 1945?
In 1945, 50 countries met in San Francisco to create the _____.
What is the United Nations?
WWI spread because of “friendship contracts” called _____.
What are alliances?
These animals helped people in war and could carry messages or supplies.
What are dogs?
The first movie with sound was called a “_____.”
What is a talkie?
The “Allies” fought to stop leaders who were taking over other _____.
What are countries?
The UN was made so countries could solve problems with ____ not weapons.
What are words?
WWI was the first “high-tech” war with new weapons like tanks and _____.
What are submarines?
These birds carried messages during WWI.
What are carrier pigeons?
The stock market crash happened in this year.
What is 1929?
This technology was invented to “see” airplanes coming from far away.
What is radar?
By 1945, this medicine helped fight infections.
What is penicillin?
Air battles between pilots were called _____.
What are dogfights?
Animals helped because messages had to travel fast and safely—especially during _____.
What is war?
During the Great Depression, banks closed and people lost their _____.
What are jobs?
“Rosie the Riveter” showed that ____ worked in factories during WWII.
What are women?
Code breaking led to the birth of early _____.
What are computers?
Name ONE “first” from WWI.
What are tanks / submarines / dogfights?
In WWI, animals were used to help send _____.
What are messages?
The Great Depression showed the world’s economy is _____.
What is connected?
Code breaking helped because enemies used secret _____.
What are messages?
By 1945, new technology included penicillin, computers, and ____ engines.
What are jet engines?