Answer ASAP pleaseee and thank you.

Humans began farming. Farming was an important step in human history because before, humans were nomadic hunter gatherers, which meant that they would hunt their food and gather fruits and berries in their surroundings.  

Humans settled down into cities.  

Food surplus, specialization of labor, and new technology.

Explanation:

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

answer; ///i believe the correct answer is the empire state building;