Which most affected the growth of suburbs around the atlanta area? question 2 options: deep-water ports railroad terminals interstate highways international airports

I believe the answer is: interstate highways 
interstate highways provide a fast route for the people who wanted to commute from their works and their home.
This led to the rise of suburban areas for the city workers who prefer to live in a different environment than their usual busy day.

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.