What roles did the sinking of the Lusitania and the Zimmerman Note play in bringing the United States into World War 1?

The sinking of the Lusitania and the Zimmerman Note play a part in bringing the United States into World War 1 because it is showed that Germany was posed as a threat to the United States. The sinking of the Lusitania reveals that Germany defied the policy of unrestricted submarine warfares, which caused 128 American passengers to die. The Zimmerman Note disclosed that Germany had the idea of forming an alliance with Mexico.

the discoverers and explorers: 1. natives showed jedediah smith the way. 2. william sublette was the first cross it with a caravan. 3.joel walker and his family were the frist settlers to use it. the jumping off point: 1. founded in 1827 near where the missouri river flows into the mississippi. 2. by the 1840's, it was the most popular "jumping off" point for pioneers to stock their wagons with supplies. 3. missionaries from the church of jesus christ of latter day saints attempted to make independence their zion, or holy capital. the route west: 1. the first emigrants to oregon came by ship before the trail was established. 2. ships continued to to travel to oregon even after the overland migrations began, but they were not popular among the pioneers. 3. the fare for a sea journey to oregon was quite expensive--few pioneer families could afford it. i don't know the other three i'm sorry.

cherokee and arikara