Navajo Code Talkers in WWII

What year is mentioned as the height of World War II, when American strikes in the Pacific increased after the attack on Pearl Harbor?

• 1941

• 1942

• 1943

• 1944

Why were Japanese and German forces unable to decrypt American military communications?

• The messages were too complex

• They lacked the necessary technology

• The messages were encrypted by Navajo code talkers

• American forces stopped sending messages

What was the primary role of code talkers during wartime?

• To translate enemy communications

• To encrypt messages using obscure languages

• To develop new military technologies

• To negotiate peace treaties

Which Native American language was first used as code in World War I?

• Navajo

• Comanche

• Choctaw

• Cherokee

Why did the U.S. military need to find a new code language by World War II?

• Existing codes were too slow

• Japanese forces had learned previous Native American languages

• American forces ran out of code talkers

• New communication technologies required different codes

Who proposed using the Navajo language for military communications during World War II?

• Major Howard Connor

• Joey Kiyomya

• Philip Johnston

• George W. Bush

What characteristic of the Navajo language made it particularly effective as a code?

• It was a very common language

• It had a complex written alphabet

• It was an unwritten language with no alphabetical representation of its sounds

• It was spoken by very few people

What were the two main types of codes developed by the Navajo code talkers?

• Simple and complex

• Written and oral

• Direct translation and substitution

• Offensive and defensive

What unique linguistic feature of Navajo made it difficult to decipher for non-native speakers?

• Its extensive vocabulary

• Its lack of grammatical rules

• It is a tonal language where pitch changes meaning

• Its complex sentence structure

How many Navajo code talkers participated in the program, and what was a notable achievement during the Battle of Iwo Jima?

• Approximately 200, sending 500 messages without error

• Roughly 400, sending over 800 messages without error

• Over 1000, sending 100 messages with few errors

• About 50, sending 200 messages with some errors