What are TWO similarities between coastal and plateau tribes? 1. Spoke different langauges depending on what tribe they belonged to 2. Stayed in one location for most of the year 3. Preferred to build shelters out of red cedar trees 4. Fish was an important part of their diet

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.