What did it take to convince Lt. Col. James E. Jones that using Navajo codes would work? CHOSE ALL THAT APPLY. PLEASE HELP! GIVE 10 PTS

1. An experiment proved the speed and accuracy of Navajo codes was better than the code that was commonly used by the Marines' Signal Corps.

2. The security of the Navajo code was intensely examined and analyzed by cryptography experts who failed to break it.

3. Lt. Col. Jones had known Navajo Philip Johnston for many years, and trusted his recommendations.

4. The Navajo language was simple, and it would be easy for English-speaking Marines to learn and use.

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.

health and medicine because people are dying from not being healthy or not strong enough medicine

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.