According to the map, which of these is the most wide- spread industrial activity in Cuba? A. Copper Mining
B. Cattle ranching
C. Textile production
D. Footwear Manufacturing

All you have to do is look at the map it’s not that hard

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.