If you were traveling from South America to the United States, you would be traveling in what direction?

You would be traveling north

The best sociological research method would have to be using experiments although it has some disadvantages as well

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.