What caused the issues between white settlers and native americans?

the native americans were only allowed in some states while the white settlers were only allowed in other states.

native americans were promised land in treaties and white settlers took it.

the government

white settlers burned native american lands.

native americans took all of the gold from the white settlers.

there were many causes for these issues, but the best option from this list is "Native Americans were promised land in treaties and white settlers took it". Although sometimes treaties weren't promised at all.

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.

d) in the state of iowa