What common theme do you notice in "hispanic stories: a chase in the caribbean," "haiti's hand" and "a gift from havana"?

One common theme that can be noticed in all three Hispanic stories is the proximity to nature.

Explanation:

The description of the settings in which the stories have taken place sets up a mood which takes the reader close to the idea of nature. The association of the background with the stories of the characters helps the readers imagine the scenes in a better way and guess the atmospheric essence of the incidents.

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.